Python

A regular expression which finds all instances of markdown links and helps with rewriting link paths.

A more thorough UK postcode validator tested against all UK postcodes on a regular basis, but excluding the special GIRO postcode case out of personal preference. Additionally has capture groups for the In-code and Out-code sections. Requires case insensitive matching.

This is a bit simpler version that is still quite robust. It was taken from a Formik example.

detect discord invite links such as: discord.gg/link discord.com/invite/link .gg/link .com/invite/link...

Viet Nam Phone Number Regex. This regex include: Cellphone number: Viettel, Vinaphone, Mobiphone, Vietnamobile, Iteltelecom, Reddi (055) Telephone number (such as: 024, 028,...) Start with Exactly 10 or 11 numbers

YouTubeVideoUrl

supports all major protocols

This regex grabs all kinds of imgur links and groups them in meaningful names aswell. This way you have full flow-control in your python-scripts.

If you want to understand an SQL statement for Hibernate: this replaces the selected fields in an SQL statement generated by Hibernate by a shorthand, since you usually just care about the logic. E.g. it changes select foo0_.bla as bla1_3, foo0_.bar as bar1_3, foo0_.baz1_3 as baz1_3 from ... to sele...

use this to get value of any side of an equation. You can combine this with https://regex101.com/r/fH5kJ1/1

Finds Typescript's reference path syntax.