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

1

Regular Expression
Created·2015-08-07 18:11
Flavor·PCRE (Legacy)

/
(\w+\s+\d{1,2}\s+\d\d:\d\d:\d\d)\s+([a-zA-Z0-9\-]+)\s+[SFIMS:]{1,6}\s+\[([a-zA-Z0-9_\s]+)\s+\(([0-9a-z\-]+)\)\]\[(.+)\]\[(([0-9]+)\:([0-9]+)\:[0-9]+)\]\s+\"(.+)\"\s+\[Classification\:\s+(.+)\]\s+User\:\s+(.+)\,\s+Application\:\s+(.+)\,\s+Client:\s+(.+)\,\s+App Protocol\:\s+(.+)\,\s+Interface Ingress\:\s+([a-zA-Z\-\_0-9]+)\,\s+Interface Egress\:\s+([a-zA-Z\-\_0-9]+)\,\s+Security Zone Ingress\:\s+([a-zA-Z\-\_0-9]+)\,\s+Security Zone Egress\:\s+([a-zA-Z\-\_0-9]+)\,\s+Context\:\s+([a-zA-Z\-\_0-9]+)\,\s+\[Priority\:\s+([0-9]+)\]\s+\{([A-Z]+)\}\s+([0-9.]+):([0-9]+)\s->\s([0-9.]+):([0-9]+)
/
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Submitted by anonymous