JavaScript RegExp Example: Online Regular Expression Tester. Feel free to test JavaScript's RegExp support right here in your browser.
Obviously, JavaScript (or Microsoft's variant JScript) will need to be enabled in your browser for this to work. Since this tester is implemented in JavaScript, it will reflect the features and limitations of your web browser's JavaScript implementation. If you're looking for a general-purpose regular expression tester supporting a variety of regex flavors, grab yourself a copy of RegexBuddy. REGex TESTER v1.5.3 - test/validate regular expressions, online tester. Visual REGEXP : a graphical explorer for your regexps. Introduction Tired of debugging your regular expressions ?
Do you want to quickly build efficient regexps ? Visual REGEXP is for you ! This software will let you design your regexps by letting you type the expression and visualize its effect on a sample of your choice. The screenshots below illustrate this concept (click to enlarge): Download Standalone for Windows To following executable is a standalone program.
Tcl/Tk script In order to run this program, you need to have Tcl/Tk 8.3.0 (or later) for version 3.0 or Tcl/Tk 8.5a4 for version 3.1 installed (click here to download it). Known problems some regexp can consume a lot of CPU time. Rex V: an AJAX Regular EXpression eValuator. PHP regular expressions examples. The regular expression, as a pattern, can match all kinds of text strings helping your application validate, compare, compute, decide etc. It can do simple or very complex string manipulations. The list of possibilities is enormous when it comes to what you can achieve using regular expressions. You can take any phrase that starts with an "A" or any character and do various things with it. You can match phone numbers, email addresses, url's, credit card numbers, social security numbers, zip codes, states, cities.....
(the list never ends). Mastering Regular Expressions quickly covers the basics of regular-expression syntax, then delves into the mechanics of expression-processing, common pitfalls, performance issues, and implementation-specific differences. Function do_reg($text, $regex) { if (preg_match($regex, $text)) { return TRUE; } else { return FALSE; } } The next function will get the part of a given string ($text) matched by the regex ($regex) using a group srorage ($regs). Dates. Regular Expression Library.
Regular Expressions: Methods - Doc JavaScript. JavaScript Regular Expressions Regular Expression (and String) Methods In this section we'll discuss methods that are related to regular expressions.
Some are invoked as a method of a regular expression, whereas others are called as a string's method. compile compile() is invoked as a method of a regular expression. Regexp.compile("PATTERN", ["g"|"i"|"gi"]) regexp is the name of a regular expression.PATTERN is the text of the regular expression. Use the compile() method with a regular expression that was created with the constructor function (not the literal notation). The compile() method can also be used to change a regular expression during execution: var reg = new RegExp("Bart", "i"); // reg matches "Bart" here reg.compile("Lisa", "i") // reg doesn't match "Bart" here You can also use this method to modify a regular expression's modifier: var reg = new RegExp("bart", "i"); // reg matches "Bart" here reg.compile("bart") // reg doesn't match "Bart" here exec regexp.exec(str) test regexp.test(str)