Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

1

?M ?L ?A

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

Grab filepaths from `source` in a bash script

ECMAScript (JavaScript)
Useful for making a build script that compiles all sources into one file.
Submitted by William George - 9 years ago
1

Fetch facebook id/slug from url

PCRE (PHP <7.3)
use part 6
Submitted by AlmogBaku - 9 years ago
1

get request split parameters groups

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

match bot commands

PCRE (PHP <7.3)
match bot commands in the first at starting of line only egs - /hi
Submitted by anonymous - 9 years ago
1

sql select request

PCRE (PHP <7.3)
matching any SQL query starting by "SELECT foo,bar FROM fool,baz {...}" this one is the good one. first one have a matching alowing * in the FROM statement.
Submitted by klmmlk - 9 years ago
1

Tripmix selectors for 2015 reprocess

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

Regex - global match, multiline

Python
no description available
Submitted by MetalMuzu - 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

java

Python
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...125126127128129...900

Community Library Entry

0

Regular Expression
Python

r"
^(?:(?:[1-9]|[1-9](?:\d{1,2})|10[0-2][0-3])(?:[KM])|(?:[1-9]|[1-3][0-9]|40)G)$
"
gm
Open regex in editor

Description

Bandwidth value validation: 1-1023K 1-1023M 1-40G

Submitted by Damien Stuart - 2 years ago