Cloud Flare

email format control

Checks validity of an EA number first two digits 01-12 followed by hyphen then a number from 0-4 and then 4 numbers or uppercase letters and ending in a 1 or 4 for example "05-1J7601". Adding a capital C to the beginning is also accepted "C05-1J7601", along with the entry of 2 X's hyphen and 6 X's ...

This regular expression is build from the description of NINO number of GOV.UK,

Visual tag and Back tag cannot more than 15 characters or only can contain uppercase, lowercase, space and dash.

Convert camelCase to snake_case def camelCase2snake_case(txt): """ Convert camelCase to snake_case https://regex101.com/library/wUcSv4...

For example, using `Carl-bot to dump members of the @everyone role ordering highest of id`: `!dump @everyone %i:%u -o id` Example of return: 498984530968051713:lanjt#2129 ......

example

Match any url in text or html (http, https)

Extract URL parts only named capturing groups

With this C# regex, you can easily match/Parse Nested HTML tags. Example input: someTitle ...

Match any layer bracket pair

Matches subdomain, domain and top level in a field that contains a urls. https://www.whatever.you.want ---> whatever.you.want

Validates subdomain, root domain, and wild card domains

The best way to parse URL via Regex. This can be used in javascript, PHP, etc.

Validates a streetname + housenr + extension Somestreet 12 b

Port https://regex101.com/library/cX0pJ8 to PCRE2 (PHP >= 7.3)