Regular Expressions 101

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Community Patterns

1

command df -T on linux

PCRE2 (PHP >=7.3)
command df -T on linux udev devtmpfs 65928068 0 65928068 0% /dev tmpfs tmpfs 13190576 304608 12885968 3% /run /dev/mapper/pve-root ext4 98559220 50337808 43171864 54% / tmpfs tmpfs 65952876 46800 65906076 1% /dev/shm...
Submitted by Saulo Costa - 2 years ago (Last modified 2 years ago)
1

array path

ECMAScript (JavaScript)
Extract the array path from a nested path
Submitted by anonymous - 2 years ago
1

Match HMTL/WXML tag and class

ECMAScript (JavaScript)
Match HMTL/WXML tag and class
Submitted by ice breaker - 2 years ago
1

Notes in markdown with underscore

ECMAScript (JavaScript)
I use it to find mark down note that I wrote with an _when I meant to use an *
Submitted by charliecalvert - 2 years ago
1

Custom Commit ReGex

PCRE2 (PHP >=7.3)
Custom Commit ReGex Test
Submitted by Kewal Rathod - 2 years ago (Last modified 2 years ago)
1

Links

PCRE2 (PHP >=7.3)
Beginner way to highlight links
Submitted by anonymous - 2 years ago
1

Match range [1 ... 9999.99]

PCRE (PHP <7.3)
This helps matching numbers where decimals are optional
Submitted by AndrewEastwood - 2 years ago
1

Grab first sentence from multi-line text

PCRE2 (PHP >=7.3)
Using to extract PhpDoc summary. Note: PhpDoc must be trimmed at left (' ' and '*' are removed).
Submitted by WinterSilence - 2 years ago
1

Illumina sample ID regex

PCRE2 (PHP >=7.3)
regular expression for illumina sequencer sample ids. sample Ids are alpha numeric with no more than two dashes or underscores and no underscores or dashes in the beginning or end of the sample id.
Submitted by anonymous - 2 years ago
1

Polynom

PCRE (PHP <7.3)
Regex to get polynomial coefficients
Submitted by Balandin Igor - 2 years ago
1

Street names in Germany

ECMAScript (JavaScript)
Validates street names of Germany.
Submitted by Chandru Naik - 2 years ago
1

HTML Regex

Python
HTML Pattern Recursively use this pattern to match HTML content. This pattern will match Hello World and return a groupdict of tag, body and attribute data. Then you can use this pattern on the body to parse nested HTML tags as well.
Submitted by GrandMoff100 - 2 years ago
1

(experimental) strip whitespace and linebreaks between HTML tags

ECMAScript (JavaScript)
Basic expression to match and/or remove whitespace and linebreaks between HTML tags via JavaScript (ECMAScript). [x] respects whitespace between ` and ` tags [x] matches multiple lines around words, but not between them [x] totally not safe for use in a production environment ;) ...
Submitted by Nicholas Berlette (https://github.com/nberlette) - 2 years ago
1

Codeblocks

ECMAScript (JavaScript)
Combat md.replace(regex, "") and md.replace("`", "") to replace Markdown codeblocks with HTML ones
Submitted by Rix - 2 years ago
1

HTML TAG WITH VALUE AND CHILDREN

ECMAScript (JavaScript)
This regex target each html tag with their children and their value
Submitted by Florian Caron - 2 years ago
1

13-16 digit credit card

PCRE2 (PHP >=7.3)
Finds a number that is 13-16 digits long. Can have spaces or hyphens in between the numbers and will still be found.
Submitted by Spencer Curtis - 2 years ago (Last modified 2 years ago)
1

File extension

ECMAScript (JavaScript)
Retrieve the file extension of a filename
Submitted by anonymous - 2 years ago
1

Detect zoom meeting links

PCRE2 (PHP >=7.3)
Find zoom links in text
Submitted by Artyom Ivanov - 2 years ago
1

Remove trailing commas of PHP array and functions

ECMAScript (JavaScript)
This expression looks for sequences of PHP arrays, either closed with ] or ) with unnecessary trailing commas and captures the content divided into three parts, except by the comma itself. You can use it to search an replace in editors like VSCode like this: Search: ([\])]),(\s\n\s*)([\])]) Replac...
Submitted by Mateus Machado Luna - 2 years ago
1

UAE Emirates ID Number

PCRE2 (PHP >=7.3)
Validate an Emirates ID number, with or without dashes. Please note that this does not implement the Luhn Algorithm, which should be applied in conjunction with simple validation.
Submitted by Pete Mahon - 2 years ago
1...270271272273274...900

Community Library Entry

1

Regular Expression
Python

r"
<(?P<tag>[a-zA-Z]+)(?P<data>.*?)(?!.+\")>(?P<body>.*)</(?P=tag)>
"
gm
Open regex in editor

Description

HTML Pattern

Recursively use this pattern to match HTML content. This pattern will match <sometag my-data="1234567890" style=""> <nestedhtml>Hello World</nestedhtml> </sometag> and return a groupdict of tag, body and attribute data. Then you can use this pattern on the body to parse nested HTML tags as well.

Submitted by GrandMoff100 - 2 years ago