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·2021-03-02 18:35
Flavor·PCRE2 (PHP)

/
^(?P<series>[(][^_-]+?[)])?[\s]*(?P<author>(?! [-]).*?)([\s]+?-[\s]*)(?P<title>[^\(]*?)(?P<titletail>[\s]*?)((?P<comments>[\(](?:[\s]*(((?P<published>[12][\d]{3,3})\s*)((?=([,\)]))))?)?((?P<prepublisher>[\w]*?[,-]?)([,]?[\s]*((?P<publisher>[-|~'&%$#"!\w\s]*(([a-zA-Z]+)[-|~'&%$#"!\w\s]*))(?!(([\d-]{11}-?([x]|[\d])[\s]*[\)])))))?(?P<isbn>([,]?[\s]*(?P<isbntag>(?i)ISBN[-]?1(?:(?P<is10>0)|3)?[:\s])?\s*(?(isbntag)(?(is10)((?=[\d-]{11}-[\d|x][\s]*[\)])(?P<isbn10>\d{1,5}[ -]\d{1,7}[ -]\d{1,6}[ -](?:\d|x)))|((?:(?=[\d-]{17}[\s]*[\)])(?P<isbn13>97(?:8|9)[ -]\d{1,5}[ -]\d{1,7}[ -]\d{1,6}[ -]\d))))|(?:(?=(([\d-]{11}-([\d]|[x]))[\s]*[\)]))(?P<ISBN10>\d{1,5}([ -])\d{1,7}[ -]\d{1,6}[ -](?:\d|x))|(?:(?=[\d-]{17}[\s]*[\)])(?P<ISBN13>97(?:8|9)[ -]\d{1,5}[ -]\d{1,7}[ -]\d{1,6}[ -]\d)))))?)(?=([\s]*[,\)])))?(?P<tooManyCommasOrOnlyDigits>.*)[\s]*[\)]))*?[.](?P<extension>[[:alpha:]]+)$
/
mgD
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Submitted by anonymous