Regular Expressions 101

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Community Patterns

1

Validate alphanumeric and numeric range

PCRE (PHP <7.3)
For Validating alphanumeric and numeric range
Submitted by anonymous - 10 years ago
4

Element's Attribute Value in XML (simple)

PCRE (PHP <7.3)
Simple regular expression for extracting attribute value of the element in XML-string. Attribute value should be in quotes.
Submitted by Nikita Danilov - 11 years ago
4

Task 1

PCRE (PHP <7.3)
Finds a happy smile, except sad one
Submitted by Kovalev Evgeny - 11 years ago
4

IPV4 address validation using recursion

PCRE (PHP <7.3)
Validate IPv4 addresses using PCRE's recursion patterns. A shorter but less efficient alternative to https://regex101.com/r/wZ6oY5/1
Submitted by Captain Haddock - 10 years ago
4

Mobile phone russia

ECMAScript (JavaScript)
Submitted by Johhny - 9 years ago
3

phone

Python
matches: + example: +52 33 3884 7720 +1 770 343 5788
Submitted by miqui - 10 years ago
4

url

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
5

Separate words (works with spaces, dashes and underscores)

PCRE (PHP <7.3)
no description available
Submitted by marcoslhc - 10 years ago
5

ipv6 Validation

PCRE (PHP <7.3)
Handle all condition for ipv6 example: 1) FE80::8329 2) FE80::FFFF:8329 3) FE80::B3FF:FFFF:8329 4) FE80::0202:B3FF:FFFF:8329...
Submitted by Lim Yew Teck, Nicholas - 9 years ago
4

Repeated words (JS)

ECMAScript (JavaScript)
no description available
Submitted by paconaranjo - 11 years ago
4

Simple Linux File Absolute Path Tester

PCRE (PHP <7.3)
Match simple linux file absolute path as /usr/share/my-folder/helloworld.jpg
Submitted by FLonpl6 - 10 years ago
4

url matching

ECMAScript (JavaScript)
supports all major protocols
Submitted by matheus silva - 10 years ago
4

Validate a Particular File Extension

PCRE (PHP <7.3)
Validates a File Path and makes sure the correct extension is at the end.
Submitted by Andrew Morpurgo - 10 years ago
4

Capture only top-level (root) domain in URL

PCRE (PHP <7.3)
no description available
Submitted by guyfawkes - 10 years ago
4

tgs data delivery .zip ID

PCRE (PHP <7.3)
Pull zip download ID from default links. Works with datadelivery and datadelivery1
Submitted by TRL - 9 years ago
4

vowel words

ECMAScript (JavaScript)
([!-\~]aeiou)
Submitted by Ipsita Mohanty - 9 years ago
4

Timestamp

PCRE (PHP <7.3)
12.04.1975T03:02:00.88 With milliseconds and T seperator. Excludes most invalid dates, except 30/31ths of month, leap years/february heaving only 29/28.
Submitted by anonymous - 9 years ago
4

Skype ConversationText Extraction

PCRE (PHP <7.3)
When you copy a skype conversation and paste it in a text area then it includes timestamps, User's name and whether or not the message had been edited. This matches all of those in seperate groups for easy substitution
Submitted by Zalatos - 9 years ago
4

Get image tag attributes

PCRE (PHP <7.3)
no description available
Submitted by Agustín Bouillet - 9 years ago
5

Youtube ID matcher

ECMAScript (JavaScript)
Credit: https://gist.github.com/FinalAngel/1876898
Submitted by anonymous - 11 years ago
1...885886887888889...902

Community Library Entry

5

Regular Expression
PCRE (PHP <7.3)

/
^((([0-9A-Fa-f]{1,4}:){1,6}:)|(([0-9A-Fa-f]{1,4}:){7}))([0-9A-Fa-f]{1,4})$
/
Open regex in editor

Description

Handle all condition for ipv6 example:

  1. FE80::8329
  2. FE80::FFFF:8329
  3. FE80::B3FF:FFFF:8329
  4. FE80::0202:B3FF:FFFF:8329
  5. FE80::0000:0202:B3FF:FFFF:8329
  6. FE80::0000:0000:0202:B3FF:FFFF:8329
  7. FE80:0000:0000:0000:0202:B3FF:FFFF:8329
Submitted by Lim Yew Teck, Nicholas - 9 years ago