Regular Expressions 101

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Community Patterns

3

example

PCRE2 (PHP >=7.3)
example
Submitted by anonymous - 3 years ago
3

Extract URL parts only named capturing groups

Golang
Extract URL parts only named capturing groups
Submitted by dixanms - 3 years ago
3

Match any layer bracket pair (.NET)

.NET 7.0 (C#)
Match any layer bracket pair
Submitted by Yakumo Yukari - 3 years ago
3

Remove extra/useless python elements for GPT input.

PCRE2 (PHP >=7.3)
This RegEx removes unused elements such as inline comments and blank lines in python code. This will save you tokens and time when using GPT-3+ or ChatGPT to help code and debug.
Submitted by LukeL - 2 years ago (Last modified 2 years ago)
3

Caltrans EA validation with optional XX-XXXXXX entry and C##-#????#

.NET 7.0 (C#)
Checks validity of an EA number first two digits 01-12 followed by hyphen then a number from 0-4 and then 4 numbers or uppercase letters and ending in a 1 or 4 for example "05-1J7601". Adding a capital C to the beginning is also accepted "C05-1J7601", along with the entry of 2 X's hyphen and 6 X's ...
Submitted by RDJ@Ct - 2 years ago (Last modified 2 years ago)
3

Placeholder resolving

.NET 7.0 (C#)
.Net regular expression for resolving placeholders in the format of ${rewriter(multilevel:key)?fallback} (+ variations)
Submitted by anonymous - a year ago
4

CloudFlare

PCRE2 (PHP >=7.3)
Cloud Flare
Submitted by anonymous - 3 years ago
4

Email

PCRE2 (PHP >=7.3)
email format control
Submitted by ahmetbarut - 3 years ago
4

Match any url in text or html (http, https)

PCRE2 (PHP >=7.3)
Match any url in text or html (http, https)
Submitted by Jérémy Munsch - 3 years ago
4

C# Regex Extract/Match Nested HTML Elements/Tags

.NET 7.0 (C#)
With this C# regex, you can easily match/Parse Nested HTML tags. Example input: ...
Submitted by w4po - 3 years ago (Last modified a year ago)
18

Get path from any text

Recommended
PCRE2 (PHP >=7.3)
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...
Submitted by nitrateag - 2 years ago (Last modified a year ago)
1...160161162

Community Library Entry

2

Regular Expression
.NET 7.0 (C#)

@"
^(?<code>\+?\d{1,3})[-\s]{0,}(?<number>\(?\d{3}\)?[-\s]{0,}\d{3}[-\s]{0,}\d{2}[-\s]{0,}\d{2})$
"
gm
Open regex in editor

Description

Phone number for all countries. Valid symbols: ( ), -, whitespace

Submitted by Alexander Smirnov - 2 years ago