Modified source from https://stackoverflow.com/a/64833638/1454045

Match IPv4-CIDR (JavaScript)

a regex to find first letter of each word

Regex from the Mail::RFC822::Address: regexp-based address validation Access here

Matches all laughter like: hahahahhhahahahha hahha ahah lol lolollolll...

Validate Egyptian phone numbers ... Read More (Arabic)

This validates the components of the Egyptian national ID ... See details (Arabic)

This could be used to group eslint stuff in renovate config for a next.js project. Since you're intended to keep eslint-plugin-next at the same version as next itself, you would want to group it with next instead. Using negative lookahead we can ignore eslint-config-next (or anything else you may wi...

Martch Letras y Parentesis

Data classification on AWS Web Services specifically the URL connections you seen on the applications

https://github.com/f5devcentral/vscode-f5/issues/209

capture any strings between paragraphs

test

decimal number validation pattern 1.** integer_ 2.** floating point_

1、匹配6位以内正负整数 2、可以匹配0 有效例子 0 21...

PATTERNS RegEx Flavour ECMAScript (JavaScript, ActionScript, TypeScript, etc.) ...

why did I make this?

Handles many nuanced cases around time zone offsets, leap seconds and leap days. References: List of UTC Offsets RFC 3339, the stricter rules that most systems use in practice ISO 8601, the widely known name for this format...

Time Zone UTC Offsets in actual use for ISO 8601 / RFC 3339 Date Times (Museum of Bad Data) https://regex101.com/library/F21Glr Matches only (and every) UTC offset that is in actual use and valid under ISO 8601 and RFC 3339 (Y'know, the '2008-08-08T08:08:08+05:00' looking one, this is the plus/min...

This will match all four-digit years that are leap years, using the "either (multiple of four but not a multiple of 100) OR (multiple of 400)" rule. Explained / ^(...