Regular Expressions 101

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Community Patterns

0

HTTP ETag header match (RFC7232)

PCRE (PHP <7.3)
HTTP ETag header match (RFC7232) HTTP ETag RFC specification: https://tools.ietf.org/html/rfc7232#section-2.3
Submitted by anonymous - 6 years ago
-1

test

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Find URLs (incl. Numerical)

PCRE (PHP <7.3)
Search text for any URL, including numerical IPs and greater than 3 char domain extensions. Also searches for http(s) alone, include with a third slash, as I ran into scumbag Russian spammers who were doing this.
Submitted by J. Scott Elblein - 6 years ago
0

Mobile No Starts from number 20 or 0 digits and end with 12 digits number

ECMAScript (JavaScript)
Mobile No Starts from number 20 or 0 digits and end with 12 digits number
Submitted by Venkata Sandeep - 6 years ago
0

regex for spherical

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Validar correo electronico

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Create Connection w Tests

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 6 years ago
0

Create Connection

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 6 years ago
0

Find all JIRA H2 from Inline MD

ECMAScript (JavaScript)
Find all JIRA H2 from an Inline MD. In MD all # are considered H1 in JIRA Syntax In MD all ## are considered H2 in JIRA Syntax In MD all ### are considered H3 in JIRA Syntax In MD all #### are considered H4 in JIRA Syntax...
Submitted by Joaquin Briceno - 6 years ago
0

Alphanumeric and -_*+.,

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

DSE

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

case2

PCRE (PHP <7.3)
RegEx case2
Submitted by anonymous - 6 years ago
0

case1

PCRE (PHP <7.3)
RegEx case1
Submitted by anonymous - 6 years ago
0

Get tokenized

PCRE (PHP <7.3)
Get tokenized document number
Submitted by anonymous - 6 years ago
0

extract domain from URL

PCRE (PHP <7.3)
Extracts "example" from URLs like "http://www.example.com"
Submitted by victorocn - 6 years ago
0

Paragraph search;

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Find between <p> ??? </p>

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Hugo Get Tables

Python
no description available
Submitted by anonymous - 6 years ago
0

newPassword

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

parse file git

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
1...512513514515516...902

Community Library Entry

0

Regular Expression
PCRE2 (PHP >=7.3)

/
^(?:::|([[:xdigit:]]{1,4})(?::(?1)){7}|(?:(?1):){1,6}:|(?:(?1):){5}:(?1)|(?:(?1):){4}(?::(?1)){1,2}|(?:(?1):){3}(?::(?1)){1,3}|(?:(?1):){2}(?::(?1)){1,4}|(?1):(?::(?1)){1,5}|:(?::(?1)){1,6})$
/
gmi
Open regex in editor

Description

Matches an IPv6 address.

Performances are the same as the excellent one from frusty. This regular expression uses pattern repetition (?n) to reduce the length to 191 characters.

Submitted by Piwi - 2 years ago