Matches any valid IPv4 address with, optionally, a CIDR suffix. 0.0.0.0 to 255.255.255.255 and 1.1.1.1/0 to 1.1.1.1/32. Use the following regex if you don't want to allow the CIDR suffix. /^(?:(?:[1-9]?[0-9]|10-9|2(?:0-4|5[0-5]))\.){3}(?:[1-9]?[0-9]|10-9|2(?:0-4|5[0-5]))$/...

Match a URL and capture its parts. Please suggest your improvements.

Should match any valid JavaScript number literal. Allow _ as a numerical separator, leading/trailing dot and 0, and test for prefix 0b (binary), 0o (octal), and 0x (hexadecimal). See the second paragraph of EDIT 4 in this StackOverflow answer by me for matching JS numbers.

I'm dealing quite a lot w this. This CSV Parser is used for Js (particularly for my current project wrting script for After Effects through ExtendScript)

Randomizer Template

Remove caracteres ocultos (\x160) e arruma textos com espaços extras antes e depois da palavra para dados tabulados (com tab)

CRON validation Validates CRON pattern (Quartz) and supports groups. Useful for e.g. typescript or other typed languages. The following greoups are covered: second...

.(EXCEL[.]EXE).(?i)(Maxicredito).*([.]xlsx - Excel)

sda

A more general match for numbers with units/dimensions in plaintext. This is unoptimized, a bit rough, and leaves out plenty of units while including some oddities. Use it as the first step to something better if you're linting md files. This was good enough for my use case, which doesn't care much ...

Matches quantities dimensioned by SI units in typical markdown-formatted plaintext documents. Replaces any spaces or HTML entities between the number and its dimensions with a "narrow non-breaking space" character. This character may fallback to a "thin space" due to its font support. The lexicograp...

Useful for matching/finding and capturing/extracting the titles of HTML heading elements. This was used to identify all heading elements within the body of a web page for the purposes of generating a Table of Contents for the page. Note: This expression could be altered for different HTML element ta...

Regex supporting new old license plates from Belgium but dus not support custom license plates

// 1st: aashirling or vidhiling matches. empty string otherwise. // 2nd: i or e or o or r of lakar name l_ट or l_ङ. "" when अ. // 3rd: ट or ङ. // 4 through 13 are 9 dhatu forms Purusha(/)].

Matches all non LATIN-9 (ISO 8859-15) characters.

Separate the youtube tracking redirect link to its main companions Version 1 Python PHP Version 2...

it is a validator for name, title, address or any texts what need only accept persian-arabic alphabet and english. additional some characters like - ,

A simple URL regex that can handle most "properly" formed URLs, and some URIs. It features named groups to easily destruct matches. URIs can use relative paths (../ and ./) to resources. Example (JavaScript) let url = "https://username:password@example.org:8080/path/to/resource?query=term&query=ter...

This selects all (non crazy) CSS class in all valid scenarios

A Regex that can be applied over the following routes pattern: GET ^\/auth\/?(?=\/|$)/generate GET ^\/auth\/?(?=\/|$)/callback Applying it inside a code, it will get like this:...