Regular Expressions 101

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Community Patterns

1

Thai Home Telephone Validation

PCRE2 (PHP >=7.3)
refer to https://mobile.kapook.com/view7358.html
Submitted by Chadin Chaipornpisuth - a year ago
1

match "baseip/cidr"

PCRE2 (PHP >=7.3)
match "baseip/cidr"
Submitted by Erik - a year ago
1

Simple scientific notation

PCRE2 (PHP >=7.3)
allowed: 123 123.234 123.234E13 +123.234E-412 -.234E-12
Submitted by Romzikon - a year ago
1

Best email regex including + (plus) and everything else

PCRE2 (PHP >=7.3)
The best regular expression for emails, including the + (plus) sign for every possible valid email in 2023.
Submitted by Jérôme Brunel - a year ago
1

Lua Syntax

PCRE2 (PHP >=7.3)
finds and replaces square bracketed string literals with period and the field name
Submitted by Andrew Stevens - a year ago (Last modified a year ago)
1

DSN parser

PCRE2 (PHP >=7.3)
Regex for DSN parsing
Submitted by ZKelo - a year ago (Last modified a year ago)
1

email

PCRE2 (PHP >=7.3)
list of email
Submitted by anonymous - a year ago
1

Unity Version Major & Minor (e.g. 2023.3)

PCRE2 (PHP >=7.3)
Match Unity Version as "Major.Minor"."Patch"
Submitted by anonymous - a year ago
1

goff

ECMAScript (JavaScript)
[ [ { "content": "_}24I:9t58Tu?m@e", "isParticipating": true, "groupNum": 0,...
Submitted by anonymous - a year ago
1

[sample]

PCRE2 (PHP >=7.3)
sample regular expression
Submitted by anonymous - a year ago
1

Authors with year reference

PCRE2 (PHP >=7.3)
Try to find the author of a sentence following the next format: (Author, year) (Author, year; Author, year)
Submitted by Antonio García Maestre - a year ago
1

Gabon Phones

PCRE2 (PHP >=7.3)
Regex for Gabon phones (without +)
Submitted by anonymous - a year ago
1

Spain Phones

PCRE2 (PHP >=7.3)
Regex for Spain phones (without +)
Submitted by anonymous - a year ago
1

France Phones

PCRE2 (PHP >=7.3)
Regex for France phones (without +)
Submitted by anonymous - a year ago
1

Australian Phones

PCRE2 (PHP >=7.3)
Regex for Australian phones (without +)
Submitted by anonymous - a year ago (Last modified a year ago)
1

Portuguese Phones

PCRE2 (PHP >=7.3)
Regex for Portuguese phones (without +)
Submitted by anonymous - a year ago
1

Andorran Phones

PCRE2 (PHP >=7.3)
Regex for Andorran phones (without +)
Submitted by anonymous - a year ago
1

Italian Phones

PCRE2 (PHP >=7.3)
Regex for Italian phones (without +)
Submitted by anonymous - a year ago
1

German Phones

PCRE2 (PHP >=7.3)
Regex for German phones (without +)
Submitted by anonymous - a year ago
1

UK phones

PCRE2 (PHP >=7.3)
Regex for UK phones (without +)
Submitted by anonymous - a year ago
1...816817818819820...902

Community Library Entry

1

Regular Expression
PCRE2 (PHP >=7.3)

/
(?n)^(https?:\/\/)?((?!-)[a-z\d-]{2,63}(?<!-)\.)+[a-z]{2,24}(\.[a-z]{2})?(\/(([a-z\.]+\/?)+|[\w-]*\?(&?\w+=[^&#]+)+|#\w+(\/\w+)?)+)?$
/
gi
Open regex in editor

Description

Match all valid URLs

Examples:

  • Valid URLs:
  1. https://www.example.com/
  2. http://subdomain.example.net/
  3. https://www.subdomain.example.com.uk/params
  • Invalid URLs:
  1. htp://invalid.com/
  2. https//invalid.net/
  3. https://invalid.org./
  4. http://.invalid_url.net/

See all 62 URL samples in "Unit Tests"!

Note: All URL samples are made by ChatGPT!

Submitted by Henriii102 - a year ago (Last modified a year ago)