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Regular Expression Flavor Comparison – Detailed comparison of the most popular regular expression flavors; Regexp Syntax Summary; Online Regular Expression Testing – with support for Java, JavaScript, .Net, PHP, Python and Ruby; Implementing Regular Expressions – series of articles by Russ Cox, author of RE2; Regular Expression Engines
A regular expression (shortened as regex or regexp), [1] sometimes referred to as rational expression, [2] [3] is a sequence of characters that specifies a match pattern in text. Usually such patterns are used by string-searching algorithms for "find" or "find and replace" operations on strings , or for input validation .
The below list of common functions aims to help programmers find the equivalent function in a language. Note, string concatenation and regular expressions are handled in separate pages. Statements in guillemets (« … ») are optional.
Python, JavaScript, Perl, Tcl, PHP, Ruby ... Regex-based find & replace Encoding conversion ... Function list: Lists all functions from current file in a window or ...
Any amount of text can be matched by a regular expression. Languages that use this type of regular expression include Perl, Java, JavaScript, Python, Ruby, .NET, and XML. A list of the regular expressions accepted by this search and replace box has been compiled for reference by the Mozilla Contributors.
Make sure your web browser supports JavaScript. Unless you are using a decades-old web browser or have explicitly ordered it to disable JavaScript, you don't need to do anything. Go to your common.js page. Expert users may wish to activate AutoEd only when a certain skin is active. So, instead they should go to the .js page corresponding to ...
The replacement text. The drop-down options contain the last submitted replacements, proceeded by indicators for the used casesensitive and regular expression settings. Selecting a previous replacement also sets the Case sensitive and RegExp check buttons. Use the Tab key to jump between the Find and the Replace fields. Replace next: Replace ...
Adds a todo list link to the head. The link will open a popup that allows you to view, add to, and modify your todo list. The todo list is stored in your user options, so it's private. 63: 24: ToggleSidebar : Adds a link to toggle the sidebar (only testing for Vector). N/A: N/A: Unslashifier