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

2

Regular Expression
Created·2019-09-03 22:45
Flavor·Python

r"
([a-z]+):\/\/([^/]*)\/([^/]*)\/(.*)\.git
"
gm
Open regex in editor

Description

It is used to extract fields from the repository URL Works in Python and JS

  • Group1 : protocol (Such as http or https)
  • Group2 : domain (Such as github.com or gitlab.com)
  • Group3: Name space (Such as your personal namespace or project namespace)
  • Group4: Project name (Such as your project name)

Python Example:

import re

#extract project and namespace from project url
def extract_fields_from_repo_url(repository_url):
  matches = re.search(r'([a-z]+):\/\/([^/]*)\/([^/]*)\/(.*)\.git', repository_url)
  protocol = matches.group(1)
  domain = matches.group(2)
  name_space = matches.group(3)
  project = matches.group(4)

  return {'protocol':protocol, 'domain':domain, 'name_space':name_space, 'project': project}

fields = extract_fields_from_repo_url('https://gitlab.com/gitlab-org/gitlab-ce.git')

print (fields)
Submitted by anonymous