Regular Expressions 101

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Community Patterns

Search among 18,000 community submitted regex patterns...

7

simple common lisp tokenizer

ECMAScript (JavaScript)

main symbols and comments are supported

Submitted by d4rw1n1s7@gmail.com - 10 years ago

5

parsing CSV file

PCRE (PHP <7.3)

It correctly handles simple values, empty values, and quoted values with commas inside.

Submitted by Viktor Lova aka nsinreal - 10 years ago

1

PCI Device

no description available

Submitted by anonymous - 10 years ago

0

Number with two max possible decimals

ECMAScript (JavaScript)

For float type inputs.

Submitted by Juanma - https://github.com/juanmaa1414 - 10 years ago

1

Uppercase words

ECMAScript (JavaScript)

no description available

Submitted by MaaxZoom - 10 years ago

1

CamelCase parsing helper

Helper regex for parsing CamelCase identifiers. Captures the first word of the identifier in group 1 and the rest in group 2. Iterate to consume the whole name. Works on fooBar, FooBar, and FOOBar.

Submitted by Kevin - 10 years ago

1

Nome articolo

PCRE (PHP <7.3)

Matcha il nome di un articolo (primo carattere, almeno 2 numeri=

Submitted by DD - 10 years ago

1

image.ext check

PCRE (PHP <7.3)

regexp for match images extension (png,jpg,jpeg,gif)

Submitted by dummy - 10 years ago

1

matching value of html src attribute

PCRE (PHP <7.3)

matching value of html src attribute

Submitted by junkuos - 10 years ago

1

Log entry Regex

PCRE (PHP <7.3)

no description available

Submitted by KP - 10 years ago

0

Anyone can help to generate the regular expression for the desc ?

ECMAScript (JavaScript)

Hi All, We got a database column which saving the table definition as patten string below. How can I extract the column & libelle information out of the string by using regular expression ? Thanks a lot ! c:{k:16:PERIODDEFINITION;c:{k:8:REVENUE1;c:{k:6:COLUMN;s:8:REVENUE1;k:7:LIBELLE;s:23:Revenue ...

Submitted by anonymous - 10 years ago

1

daily 204

PCRE (PHP <7.3)

no description available

Submitted by anonymous - 10 years ago

0

webui

PCRE (PHP <7.3)

Submitted by Stelsy - 10 years ago

1

How to document a Regex? Example 2

PCRE (PHP <7.3)

How to document a Regex? Example 2: added documentation using (?#)

Submitted by Thomas - 10 years ago

1

How to document a regex? Example 1

PCRE (PHP <7.3)

How to document a regex? Example 1: undocumented Regex which works with my test string

Submitted by Thomas - 10 years ago

1

Credit Card finder

PCRE (PHP <7.3)

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

Submitted by OP - 10 years ago

0

Multiple matches in php but only one in javascript

ECMAScript (JavaScript)

I have used this regexp succesfully in php with flags gmU and have multiple matches. In js there is no U flag and this only returns last match. Is there anything I can do to make this work similarly in javascript?

Submitted by yorogs - 10 years ago

1

cross platform file extension in node/io.js

ECMAScript (JavaScript)

This regex will match the file extension on any platform in node.js or io.js.

Submitted by Russell Dempsey - 10 years ago

5

URL

PCRE (PHP <7.3)

URL Description from Dr. M. G. @ Brookes

Submitted by anonymous - 10 years ago

0

TCP/UDP port number

PCRE (PHP <7.3)

validates TCP/UDP port number (1..65535)

Submitted by sanchox - 10 years ago

1...857 858 859 860 861...900

Community Library Entry

0

Regular Expression
ECMAScript (JavaScript)

/

\d{2}\.\d{3}\.\d{3}\/\d{4}-\d{2}

/

g

Open regex in editor

Description

Matches CNPJ, which is an identification number issued to Brazilian companies.

Submitted by Uilian Souza - 10 years ago