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Regex Buddy - Learn, create, understand, test, use and store regular expressions

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Easily Use Regular Expressions in Your JavaScript Source Code

JavaScript RegExp Object

JavaScript 1.2 and later (also known as JScript or ECMAScript) has built-in support for regular expressions. Internet Explorer 4 and later, Netscape 4 and later, and most other modern web browsers support JavaScript 1.2. If you use JavaScript to validate user input on a web page at the client side, using JavaScript's regular expression support will greatly reduce the amount of code you need to write. RegexBuddy makes it very easy to use the RegExp object in your JavaScript source code and web pages.

If you use Adobe Flash (formerly Macromedia Flash), you can use RegexBuddy's JavaScript support when programming Flash with ActionScript. ActionScript 3.0 and later implements the same regular expression support as JavaScript. Both are based on the ECMA-262 standard.

      
Only US$ 39.95
Windows 98, ME, NT4, 2000, XP and Vista
100% satisfied or money back

See How Easy Coding with Regexes Can Be

First, use RegexBuddy to define a regex or retrieve a regexp saved in a RegexBuddy library. Rely on RegexBuddy's clear regex analysis, which is constantly updated as you build the pattern, rather than dealing with the cryptic regex syntax on your own. Detailed help on that syntax is always only a click away.

If you copied a regex written for another programming language, simply paste it into RegexBuddy, and select the original regex flavor. RegexBuddy will then automatically convert it to the JavaScript regex flavor when you generate a JavaScript source code snippet.

If you created a new regular expression, test and debug it in RegexBuddy before using it in your JavaScript source code. Test each regex in RegexBuddy's safe sandbox without risking precious data. Quickly apply the regex to a wide variety of input and sample data, without having to produce that input through your script.

Finally, let RegexBuddy generate a source code snippet that you can copy and paste directly into whichever IDE or code editor you use. Just choose what you want to use the regex for, and a fully functional code snippet is ready. You can change the names of variables and parameters to suit your naming style or the current situation, which RegexBuddy automatically remembers.

Don't bother trying to remember JavaScript's specific regexp syntax. And don't worry about properly escaping backslashes and other characters. Just tell RegexBuddy what you want to do, and you will get the proper JavaScript code straight away. Anything can be done: testing a string for a match, extracting search matches, validating input, search-and-replace, splitting a string, etc.

Let RegexBuddy Make Regex Easy for You

Using regular expressions with the JavaScript RegExp Object

Using regular expressions with the JavaScript RegExp Object


"Your software is simply the most useful software on my computer. This software has helped me script regexes in everything from ColdFusion, to JavaScript to just EVERYTHING.

"Regexes that I tried years ago, that noone seemed to know how to do, this software has helped me do myself. Considering that my alternatives would be spending hours and hours writing blocks of code to do one regex line's worth, or subcontracting work to someone experienced in it. I can't tell you how much money it has saved me.

"Thank you very much."

-- Tony Hicks
   25 May 2005, Arkansas, USA

 

 

Page URL: http://www.regexbuddy.com/javascript.html
Page last updated: 01 October 2007
Site last updated: 18 August 2008

Published by Just Great Software Co. Ltd.
Copyright © 2004-2008 Jan Goyvaerts.
All rights reserved.