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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 DFA can be constructed explicitly and then run on the resulting input string one symbol at a time. Constructing the DFA for a regular expression of size m has the time and memory cost of O(2 m), but it can be run on a string of size n in time O(n). Note that the size of the expression is the size after abbreviations, such as numeric ...
Simple examples include semicolon insertion in Go, which requires looking back one token; concatenation of consecutive string literals in Python, [7] which requires holding one token in a buffer before emitting it (to see if the next token is another string literal); and the off-side rule in Python, which requires maintaining a count of indent ...
A parsing expression is a kind of pattern that each string may either match or not match.In case of a match, there is a unique prefix of the string (which may be the whole string, the empty string, or something in between) which has been consumed by the parsing expression; this prefix is what one would usually think of as having matched the expression.
Ctags is a programming tool that generates an index file (or tag file) of names found in source and header files of various programming languages to aid code comprehension. Depending on the language, functions, variables, class members, macros and so on may be indexed.
Dumb quotes.js replaces smart curly single and double quotes with "dumb" quotes, to fit with MOS:Smart quotes. Import by adding to your common.js page. When you have this script loaded, a link in the Tools sidebar titled "Dumb quotes" will appear; clicking on it will replace every instance of a double or single curly quote with a straight quote.
You have the choice of using a Python or a Perl framework. I myself use the Perl WWW::MediaWiki client from a shell script. Many other people prefer Python. If you decide to stick with Perl, you can write on my talk page if you need any help. Oleg Alexandrov 08:50, 18 October 2005 (UTC)
Open the AWB settings file you created earlier in Notepad; Search for the section that starts <AdvancedReps> and ends with </AdvancedReps> Remove the code for the temporary rule you created earlier; Paste your code in-between the AdvancedReps tags; Save the file; Open the file in AWB and check in the Find & Replace / Advanced Settings section.