Regular Expressions 101

Order By

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

Community Patterns

1

Match text inside of single/double quotes, mysql identifier tokens(`)(ignore escaped nested quotes)

PCRE (PHP <7.3)
Verbose, somewhat cryptic and very efficient pattern to match all text inside of quotes and MySQL identifier tokens.
Submitted by Phillip Weber - 7 years ago
0

iOS multiple bundle IDs separated by , and starting and ending with {}

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Bundle ID {} only

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

iOS Bundle ID starts and ends with { }

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Post last /

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Pre last /

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

homepage_finder

Python
this regexp will extract the homepage from an url; it will factor in the "www" if there is one, and it will accept a slash at the end
Submitted by anonymous - 7 years ago
0

iOS Bundle ID

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Regex for C-style assignments

Golang
no description available
Submitted by cemares - 7 years ago
0

regex to find all types of youtube occurences in html

PCRE (PHP <7.3)
this will find any type of youtube embed or link to a video so you can replace with your own IFRAME $youtube_replacement = '';
Submitted by anonymous - 7 years ago
0

extract most parts of possible <IMG> tag attributes (Oren Wassersprung)

PCRE (PHP <7.3)
this reg will extract: "content" of SRC "content" of ALT complete width="???" "content" of style attr. ...
Submitted by anonymous - 7 years ago
0

Registry of Starfleet vessels

PCRE (PHP <7.3)
Matches registry type and number of Starfleet vessels
Submitted by Luca Mauri - 7 years ago
0

multiple in between regex

PCRE (PHP <7.3)
this helps to extract the start and end tag but even if in between the start appears again.. it just captures the first start and the next occurence of end tag. only thing missing is i want to include the end of the line of the end tag
Submitted by anonymous - 7 years ago
0

Brackets

PCRE (PHP <7.3)
Task from check.io. You are given an expression with numbers, brackets and operators. For this task only the brackets matter. Brackets come in three flavors: "{}" "()" or "[]". Brackets are used to determine scope or to restrict some expression. If a bracket is open, then it must be closed with a c...
Submitted by anonymous - 7 years ago
0

Operator with Number

PCRE (PHP <7.3)
no description available
Submitted by Kgunner - 7 years ago
0

Regex to match positive or negative number or empty string, but not '-' alone

ECMAScript (JavaScript)
no description available
Submitted by myth - 7 years ago
0

pde-member

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Alternative to "Current Error" Lookbehind

PCRE (PHP <7.3)
Regex original: (?<!Current\s)Error: Porém expect4j utiliza classes de regex do Apache Oro, que não possuem suporte para lookbehind.
Submitted by Patrick Bard - 7 years ago
0

RegexA-Z

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

SRP

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
1...548549550551552...902

Community Library Entry

0

Regular Expression
PCRE2 (PHP >=7.3)

/
(https:\/\/|http:\/\/).+\..+\/|(http\:\/\/|)localhost(\:(\d+$))
/
gmU
Open regex in editor

Description

Searches the string for valid URLs. Includes HTTP, HTTPS, and localhost with it's port.

Submitted by Evan Wilson - 2 years ago