Regular Expressions 101

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Community Patterns

1

FDQN

ECMAScript (JavaScript)
no description available
Submitted by Pratheesh ps - 9 years ago
1

PHP URL Regex

PCRE (PHP <7.3)
no description available
Submitted by Max Maxymenko - 9 years ago
1

https://

PCRE (PHP <7.3)
no description available
Submitted by VM - 9 years ago
1

Get Email Address from string

ECMAScript (JavaScript)
no description available
Submitted by Google - 9 years ago
1

catches text within paranthesis

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

C# Generic Parameters

ECMAScript (JavaScript)
no description available
Submitted by andy cunningham - 9 years ago
1

Find the second word

PCRE (PHP <7.3)
Find the second word in a string. EX string: "First Second Third" The output will be: Second
Submitted by oxido - 9 years ago
1

withagen SKU

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

parse ssh url

PCRE (PHP <7.3)
no description available
Submitted by lem - 9 years ago
1

teste

PCRE (PHP <7.3)
teste
Submitted by teste - 9 years ago
1

дом

Python
no description available
Submitted by anonymous - 9 years ago
1

VK Video url check and get ID

PCRE (PHP <7.3)
$match[0] - full url $match[1] - just id
Submitted by Denis Efremov - 9 years ago
1

YouTube video url and ID

PCRE (PHP <7.3)
$match[0] - full url $match[1] - ID only
Submitted by Denis Efremov - 9 years ago
1

SI

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

match 8 character device name with restrictions

ECMAScript (JavaScript)
Charset is: 0 1 2 3 4 5 6 7 8 9 - _ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c d e f g h i j k l m n o p q r s t u v w x y z Rules for string:...
Submitted by anonymous - 9 years ago
1

stl

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

YES

PCRE (PHP <7.3)
YES!!
Submitted by Jhoze216 - 9 years ago
1

Shortcode

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

String blocks that start and end by a pattern

Python
no description available
Submitted by anonymous - 9 years ago
1

Regex

PCRE (PHP <7.3)
tristate
Submitted by karan - 9 years ago
1...145146147148149...901

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
^[A-Za-z][A-Za-z0-9-_]{0,6}[A-Za-z0-9]{0,1}$
/
gmi
Open regex in editor

Description

Charset is: 0 1 2 3 4 5 6 7 8 9 - _ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c d e f g h i j k l m n o p q r s t u v w x y z

Rules for string:

  1. String can start only with a letter.
  2. String can end with a letter or a number.
  3. String can NOT start or end with a '-' or '_'.
  4. String can be up to 8 characters.
Submitted by anonymous - 9 years ago