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Regular expressions are a powerful tool for performing pattern matches in Strings in JavaScript. You can perform complex tasks that once required lengthy procedures with just a few lines of code using regular expressions. ... A pattern defined inside RegExp() should be enclosed in quotes, with any special characters escaped...
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Click here to learn about regular expressions in JavaScript ... The patterns used in RegExp can be very simple, or very complicated, depending on what you're trying to accomplish. ... Home JavaScript Tutorials Programmer's Guide to Regular Expressions Here...
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Regular expressions are used with the RegExp methods test and exec and with the String methods match, replace, search, and split. These methods are explained in detail in the Core JavaScript Reference.
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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. ... Using regular expressions with the JavaScript RegExp Object...
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You don't need Perl or PHP - JavaScript can do the job just as well. In this article, find out how, with an introduction to the JavaScript RegExp object and its methods. After reading this tutorial, I'm pretty sure you're going to look at JavaScript in a different light.
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Each window has its own predefined RegExp object thus ensuring that different threads of JavaScript execution don't overwrite values of the RegExp object. For a complete list and description of the special characters that can be used in a regular expression, see the special characters page.
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7. RegExp instances ... Mozilla offers its own JavaScript extension to allow a RegExp instance to be called as though it were a function, taking a string argument. See exec()
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