Regular Expressions 101

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Community Patterns

1

Replace second (or further) html statement in a whole code

ECMAScript (JavaScript)
This regex replace the second tag content which has the prefix ":". If you want to replace the third, just increase the statement {1} to {2}, and so go on.
Submitted by Caio Oliveira - 11 years ago
1

Match US Currency Amount

PCRE (PHP <7.3)
Group 1 has dollar amount with or without commas, Group 4 has optional cents.
Submitted by anonymous - 11 years ago
1

Matching an Email

ECMAScript (JavaScript)
no description available
Submitted by appsunited - 11 years ago
1

rfrf

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
1

erferf

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
1

match hyphen between quotes

PCRE (PHP <7.3)
no description available
Submitted by cetanu - 11 years ago
1

Comments in XML document

PCRE (PHP <7.3)
Match comments in a XML document.
Submitted by Jared Rummler - 11 years ago
1

test

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
1

non negative integers

ECMAScript (JavaScript)
no description available
Submitted by jay johnson - 11 years ago
1

SSN

ECMAScript (JavaScript)
no description available
Submitted by jay johnson - 11 years ago
1

Find common version names in filenames

PCRE (PHP <7.3)
no description available
Submitted by Jared - 11 years ago
1

Replaces odd number of quotes with even number of quotes.

PCRE (PHP <7.3)
no description available
Submitted by ingredient_15939 - 11 years ago
1

Switzerland UID id

PCRE (PHP <7.3)
matches the Swiss government's UID id for enterprises
Submitted by marcel - 11 years ago
1

Singular or Plural

ECMAScript (JavaScript)
no description available
Submitted by Gavin Jackson - 11 years ago
1

Phone numbers matcher

PCRE (PHP <7.3)
no description available
Submitted by Oleksandr Sochka - 11 years ago
1

Divisible by 3 numbers

PCRE (PHP <7.3)
no description available
Submitted by Oleksandr Sochka - 11 years ago
1

a^n b^n

PCRE (PHP <7.3)
no description available
Submitted by Oleksandr Sochka - 11 years ago
1

match up to -

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
1

parse SQL statements and get values

PCRE (PHP <7.3)
but it does not work. How do I make it work? It will be used in C#
Submitted by anonymous - 11 years ago
1

example regex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
1...578579580581582...902

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
^(?=.*?[A-Z])(?=.*?[a-z])(?!.*?[=?<>()'"\/\&]).{8,20}$
/
gm
Open regex in editor

Description

no description available

Submitted by anonymous - 11 years ago