Regular Expressions 101

Order By

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

Community Patterns

-2

Date YYYYMMDD

PCRE (PHP <7.3)
Date in format YYYYMMDD Year between [1900-2099] No leap year check but month 02 is limited to 29 days.
Submitted by Ahmed Z - 10 years ago
-2

Remove /* comments */ from CSS

PCRE (PHP <7.3)
no description available
Submitted by JerseyMilker - 10 years ago
-2

Version in Cordova config.xml

PCRE (PHP <7.3)
no description available
Submitted by procek - 10 years ago
-2

RegEx within tags

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
-2

example

Python
match
Submitted by anonymous - 10 years ago
-2

Maintain portion in the middle

PCRE (PHP <7.3)
no description available
Submitted by HMK - 10 years ago
-2

Simplify HTML

PCRE (PHP <7.3)
no description available
Submitted by LA - 10 years ago
-2

1

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
-2

eee

Python
no description available
Submitted by anonymous - 10 years ago
-2

get all href=()

PCRE (PHP <7.3)
no description available
Submitted by artyom lisovskij - 10 years ago
-2

e164_basic

PCRE (PHP <7.3)
e164_basic
Submitted by anonymous - 10 years ago
-2

IsEmailValid()

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
-2

I need some one to generate an regexp please

ECMAScript (JavaScript)
I need regular expression for the string WC_AUTHENTICATION_1343459084. Here WC_AUTHENTICATION_ remains fixed and the number keeps changing. I have written the below logic. var re = new RegExp('[; ]'+"WC_PERSISTENT"+'[0-9]'); Please help
Submitted by Sanuvimal.Mohan@target.com - 10 years ago
-2

,,,

PCRE (PHP <7.3)
,,,
Submitted by ,,, - 10 years ago
-2

Deleting everything except words starting with “#”

PCRE (PHP <7.3)
no description available
Submitted by A. K. Asik - 10 years ago
-2

A few Australian address parser

PCRE (PHP <7.3)
A few Australian address parser
Submitted by Dennis Deljouei - 10 years ago
-2

foo

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
-2

S3 log analysis

ECMAScript (JavaScript)
An updated S3 log analyzer. I found that my logs sometimes had strings quoted, so I needed to add possible handling for that.
Submitted by Matt Ingenthron <ingenthr@cep.net> - 10 years ago
-2

regex101

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
-2

regex demo

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1...528529530531532...902

Community Library Entry

-1

Regular Expression
Python

r"
(?P<left>\{.*(?P<buffer_declaration>char\s+(?P<buffer_name>\w+)\[(?P<buffer_size>\d+)]\s*;).*?)(?P<insert_place>\s)(?P<right>(?P<printing_buffer>\w*pr\w*\(\s*\".*?\"[^)]*?(?P=buffer_name).*\)\s*;).*})
"
gms
Open regex in editor

Description

This regex checks if c/c++ code contains char buffer that is later printed.

Submitted by tagoras - 2 years ago