Regular Expressions 101

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Community Patterns

0

Greedy + & * quantifires debug

PCRE (PHP <7.3)
/[123]+(123)*2/ Input: 1,2,3,4,5,6,7,8,9,0,10,11,12,13,14,15,16 Find: 12
Submitted by Tomer Levi - 9 years ago
1

catch or match URL or URI

PCRE (PHP <7.3)
any more? tell me by email.
Submitted by CSnowstar(997596@gmail.com) - 9 years ago
1

Find sentence start

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

英数記号あり（大文字小文字の区別なし）で、かつ8文字以上

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
-2

Validate credit card numbers

PCRE (PHP <7.3)
Visa, MasterCard, American Express, Diners Club, Discover, JCB
Submitted by www.regular-expressions.info/creditcard.html - 9 years ago
0

Regex Group Regex

PCRE (PHP <7.3)
Working on this regex so that I can use it to parse regular expressions and get the group info from them
Submitted by jparish1977@gmail.com - 9 years ago
0

simplewords

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

MYV_POSTPAY_ACCESSLOG

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
0

Update for bne_interface_cols_tl

PCRE (PHP <7.3)
Necessary because of Bug in Web-Interface
Submitted by anonymous - 9 years ago
-1

date format for year 2000 above

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

hstore

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
2

JSON validator

PCRE (PHP <7.3)
Takes a JSON string and captures interesting information in the named capturing groups: (o: last object, a: last array, s: last string, n: last number, c: last comma before optional whitespace, d: same as c, but with a colon instead of a comma, v: last value)
Submitted by luis140219 on GitHub and Sourceforge - 9 years ago
0

Levi test

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
35

IP Address validator

ECMAScript (JavaScript)
Validates IPv4 IP Address
Submitted by krzysp - 9 years ago
1

keep versions

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

redaa

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

Mail With Groups

ECMAScript (JavaScript)
Matches email with groups for username and domain.
Submitted by anonymous - 9 years ago
1

File input type validation

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

match data-reactid

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
0

Java poet regex alternative.

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1...838839840841842...902

Community Library Entry

0

Regular Expression
PCRE2 (PHP >=7.3)

/
^(([[:xdigit:]]){2}[:\-\.]){5}([[:xdigit:]]){2}$
/
gm
Open regex in editor

Description

MAC address supporting various formats

Submitted by anonymous - 2 years ago