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  2. Regular expression - Wikipedia

    en.wikipedia.org/wiki/Regular_expression

    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.

  3. Help:Creating tables - Wikipedia

    en.wikipedia.org/wiki/Help:Creating_tables

    Then uncheck the regex box, and replace the spaces inside the numbers with commas. Then paste the text and number columns next to each other again. If you have a simple list (not in a table) and you want to replace spaces with commas or periods, you can paste the list into a text editor ( Notepad for example).

  4. Find and replace - Wikipedia

    en.wikipedia.org/wiki/Find_and_replace

    Find and replace may refer to: a feature of text processing as found: ... Regular expressions; String searching algorithms ; replace (command), an MS DOS command

  5. Comparison of regular expression engines - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_regular...

    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

  6. Help:Searching/Regex - Wikipedia

    en.wikipedia.org/wiki/Help:Searching/Regex

    A regex search scans the text of each page on Wikipedia in real time, character by character, to find pages that match a specific sequence or pattern of characters. Unlike keyword searching, regex searching is by default case-sensitive, does not ignore punctuation, and operates directly on the page source (MediaWiki markup) rather than on the ...

  7. Template:Regex - Wikipedia

    en.wikipedia.org/wiki/Template:Regex

    find wildcard expressions and regular expressions. A search matches what you see rendered on the screen and in a print preview. The raw "source" wikitext is searchable by employing the insource parameter. For these two kinds of searches a word is any string of consecutive letters and numbers matching a whole word or phrase.

  8. Wikipedia:AutoWikiBrowser/Find and replace - Wikipedia

    en.wikipedia.org/.../Find_and_replace

    Regex – If checked indicates that the find and replace expression is a regular expression. Multiline – If checked, this indicates to AWB that the regex characters "^" and "$" ought to match at the beginning and the end of lines respectively, not just the beginning and end of the entire page.

  9. Category:Regular expressions - Wikipedia

    en.wikipedia.org/wiki/Category:Regular_expressions

    Pages in category "Regular expressions" The following 12 pages are in this category, out of 12 total. This list may not reflect recent changes. ...