Regular Expressions 101

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Community Patterns

-2

Get text between quotes (ignore escaped ones)

PCRE (PHP <7.3)
http://stackoverflow.com/a/171499/1519058
Submitted by Enissay - 11 years ago
-2

email

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 11 years ago
-2

Filter IP from beggin of log

PCRE (PHP <7.3)
no description available
Submitted by W - 11 years ago
-2

Remove empty HTML tags

PCRE (PHP <7.3)
Removes empty HTML tags. Was needed for old input clean-up and to keep a HTML parses from crashing. Looking for improvement on bottom test.
Submitted by R. Sartorius - 11 years ago
-2

Ukazka

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
-2

failed attempt

PCRE (PHP <7.3)
no description available
Submitted by DynV - 11 years ago
-2

A masz!

PCRE (PHP <7.3)
no description available
Submitted by Ja - 11 years ago
-2

[A-Z]+[a-z]{1,2}[0-9]*

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
-2

Match v4 IP address

PCRE (PHP <7.3)
no description available
Submitted by Budiony Damyanov - 11 years ago
-2

Select ID from regex101 URL

ECMAScript (JavaScript)
no description available
Submitted by Vinay - 11 years ago
-2

Why doesn't it stop at the period?

PCRE (PHP <7.3)
try to match just the name from this: Copyright © 2005 Candy Arrington. Used by permission. All rights reserved.
Submitted by anonymous - 11 years ago
-2

Regular expression for both IPv6 and IPv4 URL

PCRE (PHP <7.3)
no description available
Submitted by Henry Li - 11 years ago
-2

test

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
-2

IP 3 words and a number

PCRE (PHP <7.3)
Matches an Ip and any 3 words and a number after separated by any number of spacing characters.
Submitted by Attalward - 11 years ago
-2

Unicode email sanitising

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
-2

French phone number

PCRE (PHP <7.3)
no description available
Submitted by Benoit Anastay - 11 years ago
-2

1_aa3

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

Sample

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

Regex to select text withing square brackets.

ECMAScript (JavaScript)
no description available
Submitted by Dhrubajyoti Gogoi - 10 years ago
-2

Find multiple XML documents in file

PCRE (PHP <7.3)
as title says
Submitted by Doro - 10 years ago
12345...900

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
(\b[u](nited)?( )?[s](tates)?(a|( of america))?\b)|(u\.s\.(a\.)?)$
/
i
Open regex in editor

Description

Given a string that represents a location in the USA, find any version of the USA country name as one would expect at the end of that string. Does not match on if it finds it elsewhere such as a freeway name or the "us" in the city of "Russellville".

Submitted by Bobby - 10 years ago