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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
The following may seem trivial for Unix-experienced people, but a collection of ready-to-use regular expressions can help people who don't know anything or much about regular expressions. For these people: You can use regular expressions in many editors to perform complex editing tasks. This will give the headings more (or fewer) equal signs (=).
User scripts, a collection of JavaScript routines that add functionality to Wikipedia pages (e.g., regex search and replace, changing article formatting, and simplifying common tasks) WatchlistBot is a bot that delivers realtime alerts via instant message ( XMPP ) when watched articles are edited or when watched users or IP networks edit.
Regular expressions are used in search engines, in search and replace dialogs of word processors and text editors, in text processing utilities such as sed and AWK, and in lexical analysis. Regular expressions are supported in many programming languages. Library implementations are often called an "engine", [4] [5] and many of these are ...
Perl Compatible Regular Expressions (PCRE) is a library written in C, which implements a regular expression engine, inspired by the capabilities of the Perl programming language. Philip Hazel started writing PCRE in summer 1997. [ 3 ]
An incomplete history of the QED Text Editor by Dennis Ritchie - provides the history of regular expressions in computer programs; The Implementation of Functional Programming Languages, pages 53–103 Simon Peyton Jones, published by Prentice Hall, 1987. Nemerle, pattern matching. Erlang, pattern matching. Prop: a C++ based pattern matching ...
Paste your Find and Replace parameter names into columns A and B and drag all of the other cells down to the required number of rows. Copy the contents of column T and repeat the WordPad paste and copy, followed by pasting into Notepad. Check the code to see if it looks OK; Open the AWB settings file you created earlier in Notepad
Column labels are used to apply a filter to one or more columns that have to be shown in the pivot table. For instance if the "Salesperson" field is dragged to this area, then the table constructed will have values from the column "Sales Person", i.e., one will have a number of columns equal to the number of "Salesperson". There will also be ...