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 / ^(...

Capture URL without Query Parameters /^(+).*/gm

T

ISD Codes for Phones Matches the basic format for ISD Codes.

get tiktok video id https://m.tiktok.com/h5/share/usr/6641141594707361797.html https://m.tiktok.com/v/6749869095467945218.html https://www.tiktok.com/@cchelseam..eow/video/6751181801206729990 https://www.tiktok.com/embed/6567659045795758085...

(?:https?:\/\/)?(?:www.)?instagram.com\/?([a-zA-Z0-9\.\\-]+)?\/([p]+)?([reel]+)?([tv]+)?([stories]+)?\/([a-zA-Z0-9\-\\.]+)\/?([0-9]+)?

This matches all type of emoji which can be used on Discord.

Catch multiline escaped text between quotes: Catch quotes It is a functional component...

should match any domain with one or more subdomains

Extract Movie Title and Year from Torrent Names

Disallows all space-like characters -- see https://www.fileformat.info/info/unicode/category/Zs/list.htm -- at the start or end of the string

Разбирает список телефонов, разделенных ;

Getting google shopping current pricees

Regex to get only information in the SUPPL subdirectory

Commafy any number! 30000 = 30,000 303123 = 303,123 999888777 = 999,888,777

Example used in slide 39

Unicode Email Validation