Regular Expressions 101

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Community Patterns

3

TV Series filename parsing

PCRE (PHP <7.3)
Get TV Series name, season and episode numbers.
Submitted by anonymous - 9 years ago
3

iframe src parser

Python
Get iframe src
Submitted by Sumeet Fefar - 9 years ago
3

TTML time expression offset-time

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

Remove _1 suffix from image filenames

PCRE (PHP <7.3)
Remove autogenerated file name suffixes from images whilst preserving the extension (e.g. .jpg) These suffixes are usually added when filename already exists in the directory an image is being saved to by an application. Magento is a fine example of a system that does this.
Submitted by John Hughes - 9 years ago
3

apache access log

PCRE (PHP <7.3)
parse the apache access log
Submitted by pagu - 9 years ago
3

pronouceable strings

PCRE (PHP <7.3)
find pronouceable 10 letter srings that are either all caps or all lowercases based on jsbin.com pronouceable urls
Submitted by anonymous - 9 years ago
3

To search for a image tag

PCRE (PHP <7.3)
This pattern would select the whole image tag
Submitted by Dulsara Dhanuka Sethunga - 9 years ago
3

Active Affiliate, Contractor or Employee

PCRE (PHP <7.3)
no description available
Submitted by MR - 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
3

RAR and ZIP files

PCRE (PHP <7.3)
recognizes RAR archives (including splitted archives) and ZIP archives
Submitted by anonymous - 9 years ago
3

Match a valid IPv4 or IPv6 address

PCRE (PHP <7.3)
This regular expression will match an IPv4 address as well as both compressed or uncompressed IPv6 address.
Submitted by Tom Groeneveld, SevOne.com - 9 years ago
3

CSS Length Units

PCRE (PHP <7.3)
Matches CSS Length Units according to: http://www.w3schools.com/cssref/css_units.asp
Submitted by Sander Backus - 9 years ago
3

Script Tags

PCRE (PHP <7.3)
This is used when removing Script Tags and their content.
Submitted by Chris Sumners - 9 years ago
3

Time duration format

PCRE (PHP <7.3)
Match time duration in the following formats only: 1h 30m 59m 1h 33m 11h 2m
Submitted by Pooja Khorjuvekar - 9 years ago
3

Proxy matcher

PCRE (PHP <7.3)
Matches proxies in ip:port format. Takes into account that octets cant start with a 0, and that octets that are not the first octet can be a 0 if there are no more numbers behind it.
Submitted by Dank meme machine - 9 years ago
3

Escherichia coli, partial genome simple coding region search

PCRE (PHP <7.3)
NC_000913.3 Escherichia coli str. K-12 substr. MG1655, patial genome
Submitted by anonymous - 9 years ago
3

Validación de numeros de teléfono

PCRE (PHP <7.3)
no description available
Submitted by devsolarte@gmail.com - 9 years ago
3

french phone number + match right part

PCRE (PHP <7.3)
Matches french numbers (not special numbers like 115, 18). First matching group contains the right part without prefix (0, +33, 33, 033, or 0033).
Submitted by xdrm-brackets - 9 years ago
3

IPv4 validation

ECMAScript (JavaScript)
validate an IP v4
Submitted by harimambura - 9 years ago
3

JSON recognition

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1...884885886887888...900

Community Library Entry

4

Regular Expression
PCRE (PHP <7.3)

/
^(M{0,3})(C(?:D|M)|D?C{0,3})(X(?:L|C)|L?X{0,3})(I(?:V|X)|V?I{0,3})$
/
Open regex in editor

Description

Detects valid Roman numerals (up to 3999), and splits into 4 capture groups: thousands, hundreds, tens, and units.

Submitted by Terence Linnell - 9 years ago