Regular Expressions 101

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Community Patterns

1

•

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

File extention

ECMAScript (JavaScript)
Extract file extention from URL
Submitted by anonymous - 9 years ago
1

simple url regex (http,https)

ECMAScript (JavaScript)
To recognize url like (for the more complex one): https://word.office.live.com/wv/WordView.aspx?FBsrc=https%3A%2F%2Fwww.facebook.com%2Fattachments%2Ffile_preview.php%3Fid%3D713987203%26time%3D145332%26metadata&access_token=1606%3AAVKzw1&title=2016+Test+Document+Word+Online.doc
Submitted by Pika - 9 years ago
1

Match Markdown Text Paragraph at a Root Level

ECMAScript (JavaScript)
http://stackoverflow.com/q/34914559/368691
Submitted by Gajus Kuizinas - 9 years ago
1

logical operators

Python
no description available
Submitted by Nicolas - 9 years ago
1

basic emails with separator

PCRE (PHP <7.3)
infinite emails with ; separator a@b.c;a@b.c;a@b.c;a@b.c;a@b.c
Submitted by gcolciago - 9 years ago
1

not a character and not spaces

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

tablespace_Skipper

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

Phone numbers - Poland

PCRE (PHP <7.3)
Validates following phone number schemes: 1234567 123-45-67 12-34-578 711234567 0711234567...
Submitted by Forseti - 9 years ago
1

Email validation

PCRE (PHP <7.3)
Usernames with dots, dashes and underscores. Hostnames limited to 64 chars, dash disallowed at first char of domain segment, only one consecutive dash or dot, one-char domains possible, multi-subdomains, long TLDs.
Submitted by Forseti - 9 years ago
1

Names with hyphens or single quotes

PCRE (PHP <7.3)
Names that accept maximum of 1 hyphen or 1 Quote, does not allow white spaces, allows an unlimited length of name.
Submitted by chakra_tavy - 9 years ago
1

ofsream open file C++

Python
match of.open("test.txt");
Submitted by Денис суховерхов - 9 years ago
1

Extract variable data from multi-line text columns

PCRE (PHP <7.3)
Pulls data from the 3rd line of different columns of text.
Submitted by Jan from StackOverflow, and John Kimball - 9 years ago
1

Dutch postcode validation

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

Credit Card Regex

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

MAC address capturing

Python
Captures MAC addressess in any format: aa bb cc dd ee ff aa-bb-cc-dd-ee-ff aa:bb:cc:dd:ee:ff aabb.ccdd.eeff aabbccddeeff
Submitted by Gilian - 9 years ago
1

file name without extension

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

Brazilian Phone number

ECMAScript (JavaScript)
With optional 9 digit
Submitted by Matheus Gambati - 9 years ago
1

Isolate string in double or single quotes

PCRE (PHP <7.3)
Isolate strings inside double or single quotes
Submitted by garsax - 9 years ago
1...843844845846847...902

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
^[^#?]+\.([a-zA-Z0-9]+)(?:[?#].*)?$
/
Open regex in editor

Description

Extract file extention from URL

Submitted by anonymous - 9 years ago