Regular Expressions 101

Order By

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

Community Patterns

0

Bind of x (y …) M

PCRE (PHP <7.3)
Bind of x (y …) M
Submitted by anonymous - 5 years ago
0

EmailRegex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

PhoneRegex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

ssnRegex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

USAddressRegex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

Add NULL if no date at the end

PCRE (PHP <7.3)
Regex for detecting lines that don't have a date before closing parentheses. It uses a negative lookahead.
Submitted by anonymous - 5 years ago
0

Detect Js string

Python
Regex to detect string of js
Submitted by anonymous - 5 years ago
0

Match Time

Python
no description available
Submitted by anonymous - 5 years ago
0

Python list indexing

Python
no description available
Submitted by anonymous - 5 years ago
0

Gerrit Interactive Link

PCRE (PHP <7.3)
This is used as a general rule to create an interactive link to JIRA
Submitted by anonymous - 5 years ago
0

Regex validate PIN code (Solution www.codewars.com)

ECMAScript (JavaScript)
Regex validate PIN code (Solution www.codewars.com) https://www.codewars.com/kata/regex-validate-pin-code/javascript
Submitted by anonymous - 5 years ago
0

HackerRank - Branch Reset Groups

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

点运算符 .

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 5 years ago
0

HackerRank - Forward References

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

Match Valid IPv4 and IPv6

PCRE (PHP <7.3)
no description available
Submitted by Blessy - 5 years ago
0

IPv6 validation

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

IPv4 validation

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

Find a word (Case-Insensitive)

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 5 years ago
0

Date Validation - Including Leap Year (mm/dd/yyyy)

ECMAScript (JavaScript)
This regex validates all dates between 01/01/1900 and 12/31/2099, including leap-year validation. It follows a mm/dd/yyyy format, and enforces two-digit month/year formats.
Submitted by anonymous - 5 years ago
0

Date Validation - Including Leap Year (m/d/yyyy)

PCRE (PHP <7.3)
This regex validates all dates between 1/1/1900 and 12/31/2099, including leap-year dates. It allows either one or two digit month/date values.
Submitted by anonymous - 5 years ago
1...588589590591592...900

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
(3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9]{2})[0-9]{12}|(?:2131|1800|35\d{3})\d{11})
/
g
Open regex in editor

Description

Captures credit card looking sequence of digits Luhn validation remains required as a complement.

Submitted by OP - 10 years ago