Regular Expressions 101

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Community Patterns

0

UK Postcode

PCRE (PHP <7.3)
as per the following specifications: FORMAT EXAMPLE AN NAA M1 1AA ANN NAA M60 1NW AAN NAA CR2 6XH...
Submitted by Spluf (Cosmin Pop) - 9 years ago
0

Quiz_1

PCRE2 (PHP >=7.3)
Check if a string contains the word word in it (case insensitive). If you have no idea, I guess you could try /word/.
Submitted by anonymous - 9 months ago
-3

RegEX for account code starting with 000-

PCRE (PHP <7.3)
no description available
Submitted by Joe H - 10 years ago
-1

regex on paintkits

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 12 years ago
-1

text beetween text

Python
no description available
Submitted by karol - 10 years ago
-4

Latitude/longitude tester

PCRE (PHP <7.3)
Tests the string if it does contain valid latitude and longitude parameters
Submitted by Doro - 11 years ago
-2

email

ECMAScript (JavaScript)
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

Sample

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

Detect HTML Linebreak Tags

ECMAScript (JavaScript)
Detect various possible HTML linebreak tags (eg. )
Submitted by @benhodgson - 10 years ago
-2

Between two strings

Python
Awesome explanation of nested lookbacks
Submitted by OnlineCop - 10 years ago
-3

Matches percentage with any number of digits

Python
Only captures value for converting percentage to decimal. Returns empty if percentage but no value. no match = no percentage found
Submitted by sharkey - 10 years ago
-3

FQDN Fully Qualified Domain Name

PCRE (PHP <7.3)
no description available
Submitted by Rafael Justo and Mauro Trajber - 10 years ago
0

Phone area code - prefix - number

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 11 years ago
0

adding space after (.) period and next word

ECMAScript (JavaScript)
Requirement was to check if there is space between . and next text and if not the then add space
Submitted by Prajkta - 11 years ago
0

decimal numbers

PCRE (PHP <7.3)
match decimal numbers with sign
Submitted by mariano_dm - 11 years ago
0

Match all parts of the valid JSON

PCRE (PHP <7.3)
Originally written by Pumbaa80, but slightly adjusted: http://stackoverflow.com/questions/4810841/how-can-i-pretty-print-json-using-javascript
Submitted by Pumbaa80 - 11 years ago
0

SFTP with username and optional port & password

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
0

Any Character Between 6-64 Long

PCRE (PHP <7.3)
Allowing for complex passwords
Submitted by anonymous - 11 years ago
0

Replace one or more 'br' tags with a single space.

PCRE (PHP <7.3)
no description available
Submitted by James Furey - 11 years ago
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