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Introduction To Jenkins alternativesStart Your Free Software Development Course
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This process involves a set of principles associated with it, and definitely, CI is an evolving best practice in recent years. Application deployment becomes largely possible in any state and at whatever point of time the team expects to do so.
List of Jenkins AlternativesBelow is the Different Alternatives, which are as follows:
1. Eclipse HudsonThe precursor of Jenkins, It’s been associated with the foundation of the eclipse for a long period of time until turned over by Oracle in and around a 5 year-ago period. Apache Tomcat servlet container and java are the key build components of Hudson. SCM tools supported by Hudson are as below,
CVS
GIT
perforce etc
2. Cruise controlIt acts as an extensible framework and also a heavy power CI tool that allows building processes in a very customized manner. a large set of source control systems like vss, git, hg, clear case, file system, etc., can easily and also flexibly integrate with cruise control. From another perspective, it allows a large set of plug-in, which allows instant messaging, email access etc. these systems also support report management and also setting a large set of projects on a single server.
The three key components of these systems are as below,
build loop: Acts as the heart of these systems, which involves notifying the listeners after triggering the build cycles. this process can be achieved through a large number of publishing techniques.
Artifact access and results building are sophisticatedly achieved through a JSP reporting application.
Project build statuses and visual representations of the same can be achieved through a dashboard.
3. IBM Urban code
Urban code Deploy
Urban code Release
Easy rollback and consistent deployment in an automated manner.
Notifying changes transversely through servers, components, and all tiers
security differences and Configuration across environments
better visibility on who has changed what and related information
service virtualization and provisioning of software
Easy tracking and deployment through segregating what components formulate as an application.
Simple and easily catchy drag and drop process depicted in browser setup
A well-established inventory that keeps hold of what is located where
horizontal scalability and extended availability of deployment is achieved through a well-structured master/slave setup.
pledge over the right and needed substance are imposed at an essential instance. every application and environment are tagged with a measured set of rulers.
a large set of tools are used to make the deployment and also to set the process comparatively easier.
4. BuildKiteBuildKite is another famous integration tool in the market that is largely preferred for cross-platform build and deployment. the process of automated builds is made very much easy and pro to use with the Build kite CI. Packs with excellent customer support and integration with source controls systems like Github, harvest, etc.
The key features of Build kite are as below,
Almost all version control systems can be easily connected to this CI
N number of build agents can be flexibly deployed on a single standalone machine
Slack, HipChat, Flowdock, Campfire, and many more tools can be easily integrated with the Build kit
source code or any other passwords are never traced by build kite setup, which prompts a great extent of security from these systems
The infrastructure of the system is also largely stable
It is easy to use and easy set up kind of a tool
Allows simple deployment and powerful configuration
Also, integration with Github enterprise systems can be established.
5. GoCD
Allows ease dependency configuration and parallel execution of events
deployment of any version of code and applications at any time period
It uses a stream map which helps to visualize end workflows in a clear manner
secured deployment in PROD environment
Authorization and authentication in an easy manner
Large and versatile number of plugins to enhance the functionality
a very interesting and active community for help and support
parallel execution of multiple pipelines
sequential execution in multiple stages
Multiple Jobs within a Stage run in parallel
Multiple Tasks within a Job run sequentially
Recommended ArticlesThis has been a guide on Jenkins Alternatives. Here we have discussed the top 5 Jenkins Alternatives with their pros and cons. You may also look at the following article to learn more –
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Learn The Various Devexpress Alternatives
Introduction to Devexpress
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Alternatives of DevexpressLet’s have a look at DevExpress alternatives.
1. Crystal ReportsCrystal Reports is a dynamic presentation and reporting tool. The most important thing, in this case, is that it almost makes all data a report interactive, accessible online offline from applications, websites, and mobile devices. Their reports can be produced in up to 24 international languages.
Powerful reporting options, Flexible & customizable, support for MS Excel, mobile, broad-based information connections, etc. Are other features of Crystal’s reports. Crystal Reports is a comprehensive business intelligence software designed to produce reports using robust, professional reporting tools supported by a range of data sources.
2. Ubiq 3. NET Report MakerASP.NET Report Maker is a professional reporting tool that designs and supports the creation of dynamic levels web pages, such as MS Access or any other database. It provides users with tools to report and generate information on an industry level that allows users to create detailed, summary reports or even crosstab reports for their websites immediately. chúng tôi Report Maker offers the solution for everyone, from JavaScript charts to Flash charts. There is no more client-side control requirements as all of these formalities are exempted from scripts generated by chúng tôi Report Maker and finally available.
4. Simple ReportsA simple report generator for a variety of professional reports is a simple report. It provides a standalone dashboard for developers and designers to create reports and queries of data. It is a powerful platform for managing the various data sources and mix them simultaneously. Simple reports are very easy and easy to create ad-hoc reports. Simple reports are not just about simple report creation, but also about professional and attractive report creation and design.
5. ActiveReportsActiveReports is chúng tôi reporting platform for the visualization of modern business needs. It allows users to create all kinds of reports with Visual Studio, which also has a wide range of API features and components of ActiveReports. What is best is that to provide users with the reporting system, they also receive the various forms and reports that are free of charge. This is based on WinForms, chúng tôi and HTML. The report server is also available free of charge.
6. Pentaho Community Edition 7. JasperReportsJasperReports is a platform for developers, designers, and Webmasters to report on Java and to analyze it from where you can access the JasperReports graphic design tool. JasperReports is one of Java’s best open-source reporters. Data from any source of data can be used to produce pixel documentation that can be viewed, printed, or exported in a variety of document formats, Excel, including PDF, OpenOffice, HTML, and MS Word.
8. Windward AutoTagFor personal reporting and design tools for individual and commercial purposes, Windward AutoTag is free. It has also been called AutoTag Report Builder, which allows developers and programmers to design, format, and edit all types of MS Office reports with AutoTag for Word and AutoTag for Excel. It adds to MS Word and Excel automatically and allows users to connect their documents and tablets to any source of details. Windward AutoTag is also best for business professionals, and more sources are available to companies requiring a single report.
9. Telerik Reporting Recommended ArticlesThis is a guide to Devexpress Alternative. Here we discuss the various DevExpress alternatives. You can choose any of them based on your requirements. You may also have a look at the following articles to learn more –
Top 9 Alternatives Of Cloudinary
Introduction to Cloudinary Alternatives
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A Brief on CloudinaryFounded in 2011 by Itai Lahan, Nadav Soferman, and Tal Lev-Ami in Israel to offer Image/ Video management services in the SaaS model in Cloud. This company grew on its strength organically, and only in the year 2023 it got one strategic investment from Bessemer Ventures. Other technology features and several add-ins were incorporated into this tool in 2014.
This tool helps website/app developers streamline image/video content workflow and dynamically manage uploading, storing, manipulating, updating, and delivering content to various applications and websites.
Top Alternatives of CloudinaryAlternatives of Cloudinary are given below:
1. ImageKit
Bandwidth-based pricing plan makes it cheaper than Cloudinary. The price is 40% cheaper every month for the premium plan.
Integrations with WordPress, Magento, and Shopify are available.
It is secured and has a Metadata Management feature.
Has inbuilt performance alert and inherent issue fixes
Contains Extensive image manipulation facilities like Watermark, Text overlay.
Has Plenty of Image transformation features.
Supports all OS and devices.
Provides a smart content delivery network on the existing infrastructure to improve delivery speed drastically.
Good support is available from the product team.
Ensured delivery of high-quality images at a reasonable bandwidth.
Watermarking facility to protect copywrites for all the documents.
Wide Image libraries are available to choose from.
2. Amazon S3Branded as a leading Cloud Storage product, this tool offers unlimited storage space in the Cloud to store data of any size ranging from a single byte to terabytes. It enables storing and retrieving data of any size from anywhere. Each data element is bucketed and stored in different regions to optimize cost and latency and adhere to regulation standards.
Unique keys protect such data buckets, and access is prevented to others. Reliability, scalability, economics, and simple operations are some of the key features of this product. It takes a while to organize the data in buckets and decide the regions for faster retrieval. Users feel irritated as it insists on Credit cards for making payments.
3. Akamai
A costlier solution as compared to Cloudinary.
It offers a distributed platform for hosting web content.
Akamai has a broader user base in the top 1 million sites than many other solutions.
Used across a variety of Industries.
Its solution is ideal for organizations dealing with a high volume of data.
It delivers the contents at a faster rate.
Akamai provides greater flexibility in configuring various services to improve the utilization of resources.
Luna control center operation can be simplified to improve user experience.
4. CloudflareIt enables developers to integrate Cloudflare delivery services easily with their website and its associated infrastructure. It also helps developers to gain new scale and self-sufficiency by utilizing its serverless architecture.
5. ImgixIt offers:
On-demand Image processing.
Simple set-up process.
Superior performance.
Efficient cropping facility.
Simple pricing structure without any hidden clause.
Cheaper development cost.
Using CDN to serve images from the nearest server.
Optimizing the size of the image to save bandwidth.
Supply the right-sized image to the browser without compromising its quality.
6. FirebaseFirebase is a comprehensive tool to facilitate a shorter application development life cycle and meets all the requirements of a robust functional application. A unique feature of this tool is that Firebase is well integrated with the Google platform, which helps rapidly scale the applications. It provides services of a real-time Firebase NoSQL real-time database in the Cloud for exchanging data across all its platforms.
7. Uploadcare 8. FilestackThe most reliable method of uploading files has become developers’ favorite tool. It ensures the safe and secure delivery of data at a fantastic speed. It allows extensive image transformation before publication, and one can make wonderful changes.
9. OthersTool Name
Features
Drupal Familiar with Content management tools. Easy to use, and no Coding knowledge is needed. Provides Blog facility
Datadog Enables easier interfacing with third-party tools
Joomla Most Popular CMS and next only to WordPress
HubSpot Helps to build a good CRM relationship
Zoho Docs An excellent platform to store and share data objects
Libris Specialises in managing photographs
Optmyzr Prominently used by Advertisement agencies
ConclusionPlenty of options are available for alternates to Cloudinary, but users must do sufficient due diligence before deciding on a tool that meets their tech/budget requirements.
Recommended ArticlesThis is a guide to Cloudinary Alternatives. Here we discuss the definition and alternatives of Cloudinary in detail. You may also have a look at the following articles to learn more –
Top 5 Jams Scheduler Alternatives In 2023
Efficient job scheduling and workload automation are crucial for:
enhancing productivity,
ensuring the timely execution of tasks,
and minimizing human error.
JAMS Scheduler has become a prominent workload automation tool, offering features to manage jobs and tasks across various platforms and systems. However, it is essential to consider its potential drawbacks, such as implementation complexity and cost, when evaluating alternatives that better suit your organization’s unique requirements.
This article will present the top JAMS Scheduler alternatives, providing a detailed overview of their features, benefits and ratings. By exploring these alternative solutions, you will be better equipped to make an informed decision and select the most suitable job scheduling and workload automation tool for your organization’s needs.
If you want a PDF summary, you can also download our data-driven whitepaper on workload automation vendors.
Comparison of JAMS Scheduler and Top 5 AlternativesVendorRating* ActiveBatch4.6/5 based on 330 reviews Redwood RunMyJobs4.6/5 based on 197 reviews Tidal Workload Automation4.6/5 based on 81 reviews JAMS Schduler4.5/5 based on 223 reviews Control-M4.2/5 based on 159 reviews IBM Workload Automation4.0/5 based on 32 reviews
*Ratings are based on Capterra, Gartner, G2, Peerspot and TrustRadius.
JAMS Scheduler ReviewJAMS Scheduler is a job scheduling and workload automation solution developed by HelpSystems. The software helps organizations automate, manage, and monitor jobs and tasks across various platforms, applications, and systems. The solution is targeted toward developers and IT professionals hence it is not a low-code solution.
JAMS Scheduler allows users to create, execute, and monitor job streams and workflows, ensuring that all tasks are completed accurately and on time. It supports various platforms, including Windows, UNIX, Linux, and IBM, and applications like SQL Server, Oracle, and SAP. In Figure 1, you can see the JAMS User Interface.
Source: Software Advice
Figure 1: JAMS Scheduler UI
Pros:
Comprehensive job management: JAMS Scheduler allows for the efficient management of jobs across multiple platforms and applications, streamlining processes and saving time.
Reduced risk of human error: Automation capabilities minimize the potential for mistakes arising from manual intervention, thus improving overall reliability.
Improved efficiency: Event-driven automation helps organizations optimize resources and better align job execution with business priorities, resulting in increased productivity.
Robust security: JAMS Scheduler provides secure access controls, encryption, and authentication mechanisms to protect sensitive data and prevent unauthorized access, ensuring the safety of critical information.
Cons:
Complexity: JAMS Scheduler’s extensive range of features and options can make it challenging to configure and manage, particularly for users with limited technical knowledge or experience in job scheduling and automation.
Documentation: The documentation function and tab of the solution could be improved.
Steeper learning curve: Due to its complex configurations, new users may require significant time to become proficient with JAMS Scheduler. This could lead to slower organizational adoption and require additional training and resources.
Integration with other systems: Although JAMS Scheduler supports various platforms and applications, integrating the software with other systems in the organization might require custom solutions, adding to the overall complexity and effort needed for successful implementation.
Overwhelming for simple use cases: For organizations with more straightforward scheduling needs or fewer jobs to manage, JAMS Scheduler might be too feature-rich, making it less suitable than more streamlined alternatives.
User Ratings:G2: 4.7/5 based on 142 Reviews
Capterra: 4.5/5 based on 19 Reviews
Top 5 Alternatives to JAMS Scheduler 1-ActiveBatchActiveBatch by Redwood is a workload automation and job scheduling solution that allows organizations to automate, integrate, and manage tasks across multiple platforms, systems, and applications. It features a drag-and-drop workflow designer and comprehensive event automation and supports various integrations, such as Microsoft, Amazon Web Services, and VMware.
Companies such as Verizon, Deloitte, Bosch, and Subway use ActiveBatch services.
User Ratings:G2: 4.6/5 based on 171 Reviews
Capterra: 4.8/5 based on 42 Reviews
Below, we evaluate why ActiveBatch could be a better fit for your organization compared to JAMS Scheduler.
Ease of useActiveBatch features a drag-and-drop workflow designer, making creating and managing complex workflows more straightforward, even with limited technical knowledge. Thanks to a low-code approach. This could result in faster adoption and reduced training time compared to JAMS Scheduler. In Figure 2, you can see the drag-drop design and low-code approach UI of ActiveBatch.
Source: ActiveBatch
Figure 2: Centralized Workload Automation & Job Scheduling
IntegrationsActiveBatch supports various integrations with popular platforms, systems, and applications like Microsoft, Amazon Web Services, and VMware. This extensive integration support can facilitate seamless interaction between various IT infrastructure components, streamlining job scheduling and automation tasks.
REST API and Web ServicesActiveBatch offers robust REST API and web service capabilities, making connecting with and orchestrating third-party applications and services accessible. This can be particularly beneficial for organizations that rely on diverse tools and require efficient intercommunication between systems.
Advanced scheduling options Pros:The following are some of the key factors for businesses to choose ActiveBatch.
Flexibility,
Scalability,
Low code approach
Seamless monitoring and managing activities and workflows
AIMultiple analyzed WLA vendors using relevant, public, and verifiable criteria covering vendor market presence and functionality. You can download the whitepaper to identify the market leaders to help you make your business decision.
Cons:
Integration with third-party tools and systems can be developed.
Getting used to the UI and some features and functions may require training.
2-Redwood RunMyJobsRedwood RunMyJobs is a SaaS-based workload automation solution that allows users to seamlessly connect all systems and data, no matter the size and complexity of their IT landscape. With RunMyJobs, users can connect SaaS solutions from on-premise to the private cloud. A free trial is available on demand.
See the video below to check their offerings:
Pros:
Customizable workflows
Setting up resilient parallel and dependent processes
Obtain an end-end visibility
Cons:
Report generation could be improved.
While monitoring and alert services are useful, they could be improved.
User RatingsG2: 4.7/5 based on 117 Reviews
Capterra:4.8/5 based on 33 Reviews
3-Control-M by BMC SoftwareControl-M is a workload automation solution that simplifies the management of complex IT processes across various platforms, applications, and databases. Key features include a centralized dashboard, predictive analytics, a web-based interface, and integrations with popular applications like Hadoop, Informatica, and SAP. In Figure 3, you can see the UI of Control-M.
Source: Adelius
Figure 3: Control-M UI
User Ratings:G2: 4.3/5 based on 54 Reviews
Capterra: 4.3/5 based on 3 Reviews
Pros:The File transfer is a valuable component of the solution, end-to-end workflows are seamless, and multiple features cover a range of business processes.
Cons:
Control-M had issues regarding observability and stability
You can read more about Control-M and its alternatives here:
“Top Control-M alternatives”
4-Tidal Workload Automation (TWA)You can see a tour of their workload automation tool in the video clip below:
User Ratings:G2: 4.8/5 based on 24 Reviews
Capterra: 4.8/5 based on 13 Reviews
Pros:The tool’s flexibility with on-prem and SaaS deployment models, a comprehensive set of features, and alerts and notifications make it a valuable choice.
Cons:
The UI can be improved
Job failure alerts are not comprehensive
Reporting in terms of production statistics can be improved
5-IBM Workload AutomationIBM Workload Scheduler is an enterprise-class workload automation and job scheduling software developed by IBM. It is designed to help organizations automate and manage their complex workload environments across different systems, platforms, and applications.
User RatingsG2: 4.3/5 based on 13 Reviews
Capterra: 4.0/5 based on 8 Reviews
Pros
IBM Workload Scheduler provides a centralized platform and interface to monitor job schedules easily
Since it is a enterprise-grade workload automation tool, it is highly scalable and flexbile
IBM Workload Scheduler supports event-based automation, allowing jobs to be triggered based on real-time events or conditions
Cons
As an enterprise-class software, IBM Workload Scheduler can be relatively expensive, especially for smaller organizations with limited budgets. The licensing and maintenance costs should be considered when evaluating the software.
While IBM Workload Scheduler offers integration capabilities with various systems and applications, integrating with certain legacy or specialized systems might require additional customization and development efforts.
IBM Workload Scheduler may have a steep learning curve for users who are not familiar with its functionalities.
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Learn The Examples Of The Load() Method
Introduction to jQuery load()
The load() method of jQuery is used to get data from the server and place the HTML or text response in an element in the DOM. So, basically, it is a combination of two conventional methods of most scripting languages – the global get method and the respective methods to get the element in DOM and set their contents. If the element selector does not correspond to any element in the DOM, the load method is not called.
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NOTE: Prior to jQuery v3.0, there was an event handler in jQuery by the name of the load. Whether the event handler would be invoked or the method was determined at run time based on the number of arguments passed. Post jQuery v3.0, the event handler has been deprecated, and we now only have the load() method to get data from the server and modify the contents of DOM elements with the response.
Syntax of load() MethodThe syntax of the load() method has three variants based on the number of optional parameters passed to the method.
The basic and the most elementary syntax is as follows:
Here data is sent along with the request object to the server. This is useful in cases when your server expects some data or some parameters along with the request object. A simple example would be the id of the person whose details are requested from the server.
Then there is the third syntax which includes a callback function:
Here complete is the callback function, which is called when the request to the server is completed. A request to the server is considered complete post the receipt of the response and the DOM manipulation of the element. A very important point to note here is that this callback function is called once for every element in the selector.
NOTE: If data is sent along with the request, the POST method is used by jQuery. If not, the GET method is assumed.
How does the load Method Work?Let’s see behind the scenes of the load method.
Step 1 – It begins with finding the element in the DOM.
Step 2 – If the element is found, the next step is to send an AJAX request to the server at the specified url. An AJAX is an Asynchronous JavaScript and XML call. Since they are asynchronous, they do need a page refresh.
Step 3 – Once the response is received from the server, the next step is to insert the DOM element’s response. jQuery uses the browser’s innerHTML property to manipulate the contents of the element.
Step 4 – Now is the time to execute any callback functions, if present.
Examples of jQuery load()Let us look at some of the examples of the load() method.
NOTE: Throughout the examples in this article, we would be using the browsers’ developer console. Simply open the browser developer tools (Ctrl/Cmd + Shift + C) and go to the Console tab in the developer tools window.
It looks like this in Chrome:
This is the playground for most of the jQuery related concepts. We would be using this playground throughout this article.
Next, we identify the element we would like to modify the contents of. Let’s modify the complete body of the page. From the Elements tab in the developer window, you would see that the element is this:
This element is uniquely defined through an id attribute bodyContent. We would use this id as a selector.
NOTE: Keep in mind that the attribute values are case sensitive – bodyContent is not the same as bodycontent.
Now, we would fetch data from Wikipedia’s JavaScript page and insert it into the jQuery page’s content. Go to the console tab and type the following command:
As you press enter, notice that the jQuery page’s entire content now has JavaScript page’s content.
Ignore the error – this is because our experiment resulted in implementing one object model more than once, which caused Wikipedia’s code to throw an error. Next, go back to the Elements tab and search for the bodyContent element again.
Notice the change in the entire HTML content of the element. It now looks like this:
You could also display an alert when the entire operation is successful through the load method’s complete function parameter. Go back to the console tab and type the following command:
alert(“Okay!!!”); }); Elements of load Method
The load() method of jQuery fetches HTML from the URL and uses the returned HTML to fill the selected elements; let’s look at a few elements.
Loading Page FragmentsThe load() method also allows us to load a fragment of the content instead of the entire content. Let’s see how to do this.
Go ahead and give it a try to see the results for yourself. Also, go to the JavaScript page and search for the element by the id History. Verify whether the results are indeed accurate.
So what happened here? jQuery did load the entire contents of the url but parsed it to find the element suffixing the url and inserted only the element’s innerHTML contents into the destination element in the DOM.
Executing ScriptsThere is a fundamental difference between when jQuery implements the load method with a selector appended to the url and without a selector appended to the url.
In the former case, the scripts from the url are executed. Whereas in the latter case, the scripts are omitted. Thus,
Conclusion – jQuery load()So, we have covered the load() function of jQuery in this article. We have understood how the load method works behind the scenes and in-depth as well. It is recommended to practice the method more with different kinds of data. This will help you get a better understanding of how the function works.
Recommended ArticlesThis is a guide to jQuery load(). Here we discuss some of the examples of the load() method along with the Loading Page Fragments. You may also have a look at the following articles to learn more –
Learn The Examples Of Typescript Regex
Introduction to TypeScript RegEx
TypeScript RegEx is a Regular Expression object for matching text with some pattern. As TypeScript is also a part of JavaScript, similarly regular expressions are also the objects. TypeScript RegEx is the pattern matching standard for replacement and string parsing. These RegEx are used on various platforms and other programming environments. Since RegEx are language-independent, here, we will be discussing TypeScript RegEx. However, these Regular Expressions are now available for most of the Visual Basic and Visual Basic for Applications versions. Regular Expressions are used to find strings and replace them in a defined format. TypeScript Regular Expressions are also used to parse dates, email addresses, and urls, config files, log files, programming, or command-line scripts.
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In TypeScript, Regular Expressions or RegEx object can be done in 2 ways:
Using/ Calling a Constructor function of the Regular Expression Object.
Using a Regular Expression Literals.
Syntax:
Here in TypeScript, we use a Constructor function of the Regular Expression Object.
let regex = new RegEx('bc*d')Parameter: A pattern string is to be passed to the RegEx constructor object.
We can also use Literals for Regular Expressions,
let regex: RegEx = /bc*d/;This syntax consists of any string pattern inside slashed.
Examples of TypeScript RegExHere are the following examples mention below
Example #1RegEx using literals
Code:
let sampleRegEx: RegExp = /^[+ 0-9]{7}$/; console.log(sampleRegEx.test('732g')) console.log(sampleRegEx.test('453gh67')) console.log(sampleRegEx.test('2355575')) console.log(sampleRegEx.test('7878734')) console.log(sampleRegEx.test('423%^')) console.log(sampleRegEx.test('abcdefg')) console.log(sampleRegEx.test('@#$$#%5'))Output:
Expression pattern [0-9] represents that the matching string should only contain numbers from 0 to 9 and only 7 digits are to be present in the string. Based on these conditions, the string checks with the expression and returns a Boolean value as true or false.
Example #2RegEx matching for Email Address using RegEx constructor Object.
Code:
Output:
Example #3Replacing string value with TypeScript RegEx
Code:
var regex = /apple/gi; var regexStr = "oranges are jucier than apple"; var newStr = regexStr.replace(regex, "mosambi");Output:
Here, regex has a pattern ‘apple’. TypeScript Regex searches for the string ‘apple’ and replaces it with ‘mosambi’ using the string replace method and prints the complete string.
Let us get deeper on how to actually write a Regular Expression,
A TypeScript Regular Expression consists of simple characters as such, inside slashes / /. Expression such as /abcd/ or something which involves combination of special characters like /ab+c/ or complex expressions like /[a-z]+.%$d*/.
Simple patterns are constructed of characters to find a match directly. In example 3, we had directly searched for the word ‘apple’ and replaced using the word ‘mosambi’. Such matches will be useful to search for a word, replace it, or search for a substring. Even ‘space’ counts here. There is a lot of difference between the word ‘EducbaWebsite’ and ‘Educba Website’ if we search for the expression ‘ba W’.
Coming to Special characters, when a user searches for something more than a direct match like finding more than one g’s or finding digit 5 or any special character in the pattern. For example, Finding a single r followed by zero or more a followed by a digit, the pattern looks something like this; /ra*5/ Here * refers to zero or more a’s i.e the preceding item in the pattern.
Escaping: Used for Special Characters, If the user wants to have any kind of special characters in his pattern, the user needs to escape it by using a backslash in front of a special character. For example, to search for r followed by ^ and then at, backslash ‘’ will be used to ‘escape’ ‘^’ making it a literal instead of a special character. Pattern looks as, /r^t/
There is one more method to discuss in TypeScript RegEx, which is exec, this is used to search for a match in the specific string, returning the result of an array or a null. TypeScript RegEx objects are stateful when expressions have a global or a sticky flag set. Using exec, the user can loop over multiple matches in the input text.
Syntactically written as, regex.exec(string)
The string is the parameter passed to match the mentioned Regular Expression or the pattern. If there is a match found, exec() is a method that returns an array along with the index and the input text by further updating the last index of the object. If the matched text fails, the exec() returns null and the last index of the object is set to 0.
Example #4TypeScript RegEx.exec()
Code:
const regexExec = RegExp('edu*', 'g'); const string = 'tutorial from educba, in the hindu education'; let arr; while ((arr = regexExec.exec(string)) !== null) { console.log(`Found ${arr[0]}, indexed at ${regexExec.lastIndex}.`); }Output:
Here we searched for string ‘edu’ globally in the string above. Have declared a while condition saying if .exec(string) is not null, then return the index of the pattern found and set the last index.
ConclusionWith this, we conclude our topic ‘TypeScript RegEx’. We have seen what is TypeScript RegEx or also known as Regular Expression. We have seen how the syntax is and how it works, pulled out a few examples using both the literal method and the constructor object method in a way that will be understandable to all of you. Also have seen what are the types of expressions, Special character escaping, global object, and many more. Thanks! Happy Learning!!
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