Regular Expressions 101

Order By

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

Community Patterns

1

PHP URL Regex

PCRE (PHP <7.3)
no description available
Submitted by Max Maxymenko - 9 years ago
2

extension libre office

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

FDQN

ECMAScript (JavaScript)
no description available
Submitted by Pratheesh ps - 9 years ago
2

problem for homework

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
1

URL Parse

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

Chep/Loscam ID Validator

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

Chep/Loscam Transfers

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

replace divs

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

perl {if condition} {else} {/if}

PCRE (PHP <7.3)
no description available
Submitted by Z - 9 years ago
0

US Telephone number

ECMAScript (JavaScript)
Regex for validating us telephone number as per freecodecamp testcases-
Submitted by Yashdeep Hinge - 9 years ago
1

lua

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

aaa

PCRE (PHP <7.3)
aaa
Submitted by aa - 9 years ago
1

gps 103

ECMAScript (JavaScript)
gps103 gprs communication
Submitted by anonymous - 9 years ago
2

extract hostname

PCRE (PHP <7.3)
extracts hostname from url
Submitted by Kristine Poghosyan - 9 years ago
1

Can't be numeric only

ECMAScript (JavaScript)
It could be alphanumeric but should not be numeric only
Submitted by anonymous - 9 years ago
1

Credit Card Regex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
3

ICD-10-CD Diagnosis Code

PCRE (PHP <7.3)
ICD-10-CM Diagnosis Code per https://www.cms.gov/Medicare/Coding/ICD10/downloads/ICD-10Overview.pdf
Submitted by Cloud Cray - 9 years ago
1

Zipball Version Substitution

PCRE (PHP <7.3)
no description available
Submitted by Vivalldi - 9 years ago
1

test

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
14

RFC3339 DateTime

Recommended
PCRE (PHP <7.3)
Validates a RFC3339 DateTime format. Does not validates the Data
Submitted by anonymous - 9 years ago
1...576577578579580...742

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
^(0|[1-9]{1}\d{0,7})(\.{1}\d{1,4}?)?$
/
Open regex in editor

Description

For matching numeric literals in equations

Submitted by Anttij - 9 years ago