Regular Expressions 101

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Community Patterns

1

date Format

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

assertion (lookbehind and lookahead)

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

looking for a word of 4 letter

PCRE (PHP <7.3)
look for a word of 4 letter with the look behind and look ahead
Submitted by balzrog & torb500 - 9 years ago
1

Parse JS expression string

PCRE (PHP <7.3)
This expression is used to parse strings like category.slug==smartphone&&request.user_id==12
Submitted by Phaeton - 9 years ago
1

mail

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

Split user agent into groups

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

Setting Conversion - Original

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

input variable legnth string to group

PCRE (PHP <7.3)
select leading X digits, remove zero if present, and insert 6 or 7 digit length into a name group
Submitted by anonymous - 9 years ago
1

Backline

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

Replace comma in brackets

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

Match zero-trimmed, quarter increment number

ECMAScript (JavaScript)
000.250 => 0.25 1.1 => 1 0.0 => 0
Submitted by Paul Erickson - 9 years ago
1

get rid of hash tag

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

pattern

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

removing a match (Date timefield)

PCRE (PHP <7.3)
trimming unwanted timestamps
Submitted by Kmna - 9 years ago
1

drupal 7 fix conditional fields Features export

PCRE (PHP <7.3)
intended for JetBrains IDEs regex find/replace
Submitted by anonymous - 9 years ago
1

Domain Regex (line start)

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

Lua Symbol Recognizer

ECMAScript (JavaScript)
Recognizes the set of all Lua symbols
Submitted by Nicholas Barrett - 9 years ago
1

Butle_UPMC_Match

PCRE (PHP <7.3)
Work for BHS
Submitted by Brian Mulhall - 9 years ago
1

SLICING A PATTERN

PCRE (PHP <7.3)
YEAR_MONTH_DAY HOUR_MINUTE_SECOND (UTC)
Submitted by Kmna - 9 years ago
1

SP ZONE SEARCH PATTERN

PCRE (PHP <7.3)
no description available
Submitted by Woohoo - 9 years ago
1...459460461462463...649

Community Library Entry

0

Regular Expression
Python

r"
(```|`)(python)?\s*?\n?(from \S+ )?import \S+(\n.*?;)*\n((.*return \S+```)|(`return \S+`))
"
gm
Open regex in editor

Description

A regex that matches comments that adhere to the rules of r/ProgrammerHumor

Submitted by anonymous - a year ago