This is a regex to validate the format of an IPv6-based CIDR range, where the IPv6 portion can be standard, mixed, and/or compressed notation. Supported by: .NET, Java, JavaScript, PCRE, Perl, Python, Ruby Adapted from IPv6 regex published in Regular Expressions Cookbook

Match a ULID.

https://stackoverflow.com/questions/5312349/minifying-final-html-output-using-regular-expressions-with-codeigniter Thanks to @Alan Moore

Group 1 will have meeting id, group 2 will have password

https://conventionalcommits.org Parses commits like type(scope)!: subject

Regex of email with ability to add gmail's +example system example: root email = user@gmail.com gmail+ = user+extra@gmail.com

A good enough approximation to IPv6 based on the examples at https://www.ibm.com/docs/en/ts3500-tape-library?topic=functionality-ipv4-ipv6-address-formats

Replace sub-strings in string

In order to neasting parsing work you need to run this regex multiple times on same target.

Regex to validate a string that is RFC3339 compliant in JavaScript. RFC3339: https://www.rfc-editor.org/rfc/rfc3339. Expands upon: https://regex101.com/r/qH0sU7 by adding named capture groups for coding best practices.

Matches palindromes: arbitrary length ignores non-significant characters (spaces, ponctuation) ignores accents, provided the text is NFD-normalized recursive palindromes (e.g. "a été à"): either match the longest one ("a été à") or the nested ones individually ("a", "été", "à") (see comment)

Phone number for all countries. Valid symbols: ( ), -, whitespace

Get ip address (only ipv4) Validator

validates against multiple common formats

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

pega a data e time

Matches protocol, domain, port, path, query and anchor as named capturing groups.

Phone numbers in Belgium. The pattern does match with delimiters such as [\s./-] No global length is checked Accepts number starting by 0 for local dialing Accepts number starting by + (+32 in these tests)

You can use this regular expression to identify any type of Telegram link. It doesn't matter whether it is t.me or telegram.me. Links including "joinchat" are also accepted.

IDN Domains & Normal Domains This regex is able to identify any type of domain or subdomain whether it is IDN or normal, this includes domains in emojis, non-Latin characters, etc.