Regular Expressions 101

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Community Patterns

1

ewqewq

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

Find and replace strings with hypens

PCRE (PHP <7.3)
Find and replace string which contains hypens "-"
Submitted by yuks - 9 years ago
1

Placeholder finder

PCRE (PHP <7.3)
Matches unfilled placeholders and (nested) placeholder blocks
Submitted by Wolf Wortmann - 9 years ago
1

Error Regex

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

standard 16 columns hexdump

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

Twitter Date format

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

javas dismissed lines

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

javas legal empty lines

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

java variable declaration

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

Apache Access Log pattern

Python
Apache Web server log file format following the standard
Submitted by Basil Tungekar - 9 years ago
1

java while

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

IPv4

Python
allows for all legal IPv4 addresses
Submitted by anonymous - 9 years ago
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
1...836837838839840...900

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
(?P<group_definition> \( (?P<options>[^\:\>\s\(\)]*[\:\>])? (?P<pattern> (?:[^\)\(]*(?R)*)* ) \) (?P<quantifier> (?:[\*\+\?])| (?: \{(?P<min>\d*) (?: , (?P<max>\d*)? )? \} ) )? )
/
imxg
Open regex in editor

Description

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