Regular Expressions 101

Community Patterns

22

Get path from any text

Created·2023-01-31 14:38
Updated·2023-07-23 20:17
Flavor·PCRE2 (PHP)
Recommended·
Get path (windows style) from any type of text (error message, e-mail corps ...), quoted or not. THIS IS THE SINGLE LINE VERSION ! If you want understand how it work or edit it, go https://regex101.com/r/7o2fyy Relative path are not supported The goal is to catch what "Look like" a path. See the limitations UNC path and prefix path like //./], [//?/] or [//./UNC/] are allowed some url path like [file:///C:/] or [file://] are allowed Catch path quoted with ["] and [']. But these quotes are include with the catch Quoted path is not concerned by limitations Limitations : (only unquoted path) [dot] and [space] is allowed, but not in a row [dot+space] or [space+dot at end of file name isn't catched INSIDE A NAME FILE (or last directory if it is a path to a directory) : [comma] is not supported (it stop the catch) after a first [dot], any [space] stop the catch after a [space], catch is stoped if next character is not a [letter], [digit] or [-] so, double [space] stop the catch Compatibility compatible PCRE, PCRE2 AutoHotkey : don't forget to escape "%" in "`%" /!\ Powershell and .Net /!\\ : this regex need some modification to be interpreted by powershell. You have to replace each (?&CapturGroupName) by \k. Use this powershell code to do this replacement : ` $powershellRegex = @' [Put here the regex to replace (?&CapturGroupName) with \k] '@ -replace '\(\?&(\w+)\)', '\k' ` This example code must return : [Put here the regex to replace \k with \k]
Submitted by nitrateag

Community Library Entry

0

Regular Expression
Created·2019-05-02 14:10
Flavor·PCRE (Legacy)

/
^([0-9-]{4}-[0-9]{2}-[0-9]{2}\s+[0-9]{2}:[0-9]{2}:[0-9]{2})\s+(login|plain) authenticator failed for \(\[?\S+\]?\) \[(\S+)\]:\s+\d+\s+Incorrect authentication data \(set_id=(a|aaaaaa|aamaro|aaron|abc1?2?3?|abel?|access|accounti?n?g?s?|acer?|b?e?s?admi?n?|administracion1|advent|advertising|agency|antigua|apple|asus|avahi|bank|ba?c?kupe?p?p?c?x?e?c?|bbuser|benq|biblioteca|bill|business|bux|carlos|charles|ciclobasico|clamav|clevo|clients?|comenta?|compaq|confirm|confixx|consult|contactu?s?|controller|copier|customer|cvsadmin|cvsroot|cyrus|daemon|data|david|dbadmin|demo|dell|dialer|director|dnscache|doctor|doel|download|drweb|edi|edition|edu|esalguero|estudioazurdia|everest|expe?o?rt|falcon|fax|finance|franciscos|ftp|ftpuser|fujitsu|games|gigabyte|gonzalo.mejia|guest|helpdesk|holding|home|hp|ibm|ice|iloveyou|imac|info|install|internet|iphone|jabber|jc|jefaturaventas|jeremy|jgarcia|job|john|jorge|jude|kattytoc|kim|laboratorio|ldap|lenovo|lsarmiento|lschoenstedt|manager|margarita|marketing|monkey|mpalma|municipal|multimedia|news|newsletter|nobody|office|pastores|pos|postmaster|princess|printer|PXF.info|reception|sales|samsung|scann?e?r?|security|shadow|shop|spam|student|sunshine|support|sys|tech|temp|test1?u?s?e?r?|toshiba|training|user1?s?|wzarate|xerox)\)
/
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Submitted by anonymous