Regular Expressions 101

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Community Patterns

-1

bl_regex_fees_types_2

PCRE2 (PHP >=7.3)
guif
Submitted by guif - 3 years ago
-1

.NET tools

ECMAScript (JavaScript)
a
Submitted by anonymous - 3 years ago (Last modified 3 years ago)
-1

Twitter Tweet URL

PCRE (PHP <7.3)
This ensures that a link to tweet strictly matches
Submitted by anonymous - 3 years ago
-1

Email Regex

ECMAScript (JavaScript)
Email Validation Regex
Submitted by anonymous - 3 years ago
-1

Remove HTML tags from a string using JavaScript and RegEx

ECMAScript (JavaScript)
Remove HTML tags from a string using JavaScript and RegEx
Submitted by Megralo - 3 years ago
-1

Convert numbers-only YYYYMMDD date to dash delineated YYYY-MM-DD

PCRE2 (PHP >=7.3)
Convert numbers-only YYYYMMDD date to dash delineated YYYY-MM-DD
Submitted by anonymous - 3 years ago
-1

1

PCRE2 (PHP >=7.3)
1
Submitted by anonymous - 3 years ago
-1

213

PCRE2 (PHP >=7.3)
12312
Submitted by anonymous - 3 years ago
-1

slug numeric

PCRE2 (PHP >=7.3)
pattern to validate a slug with numbers
Submitted by mestri.rodrigo - 3 years ago
-1

is

PCRE2 (PHP >=7.3)
Hi it is me
Submitted by anonymous - 3 years ago
-1

Match Consonants

PCRE2 (PHP >=7.3)
Use regex to test whether a letter is a consonant or not. Use /[B-DF-HJ-NP-TV-Z]/ for capitals.
Submitted by Matthew Hiebing - 3 years ago
-1

Bluerose order-code

PCRE2 (PHP >=7.3)
order-code 20220623-19563352 20220623-18261367 20220606-15484894 20220606-15484 20220606...
Submitted by anonymous - 2 years ago
-1

Best REGEX for extracting FILENAME WITHOUT EXTENSION and EXTENSION from any Posix-like path (version 4)

PCRE (PHP <7.3)
Best REGEX for extracting FILENAME WITHOUT EXTENSION and EXTENSION from any Posix-like path (version 4)
Submitted by anonymous - 2 years ago
-1

get_data

PCRE (PHP <7.3)
Extract any kind of numerical value (int or double, positive or negative) from a string written as a vector (ie '(#1, #2, #3)' ).
Submitted by Jamie C. Dyer - 2 years ago
-1

Discord Mention

Python
Regex to check if a string is a discord mention
Submitted by anonymous - 2 years ago (Last modified 2 years ago)
-1

Email

ECMAScript (JavaScript)
validation email
Submitted by anonymous - 2 years ago
-1

Extract favicon from html head meta links

ECMAScript (JavaScript)
I needed a generic way to pull the shortcut icon for sites. This expression parses the html for the icon. If the icon was not found, my code checks for the "favicon.ico" in the root of the site.
Submitted by groundh0g - 2 years ago
-1

IP6 Validator Address (Simple)

PCRE2 (PHP >=7.3)
Short form validation of an IP6 address Less complex than other examples I have seen around
Submitted by anonymous - 2 years ago (Last modified 2 years ago)
-1

MMM DDD YYYY

.NET 7.0 (C#)
FEB MON 2023
Submitted by anonymous - 2 years ago
-1

phone

PCRE2 (PHP >=7.3)
regex for phone
Submitted by anonymous - 2 years ago
1...377378379380381...902

Community Library Entry

1

Regular Expression
Rust

r"
(?<emoji>(:)([a-zA-Z0-9_]+)(:))|(?<embed_emoji>(\[)([a-zA-Z0-9_]+)(\])\([^()]*\))
"
gm
Open regex in editor

Description

NOTE

The word text is used to substitute all alphanumeric characters as well as underscores ([a-zA-Z0-9_]).

Captures:

  • [text](a) (the text in the parentheses doesn't get scanned)
  • [text]()
  • :text:

Doesn't capture:

  • [](text)
  • [text]
  • [text ]()
  • [ text]()
  • [ text ]()
  • : text:
  • :text :
  • : text :
Submitted by anonymous - 9 days ago (Last modified 9 days ago)