match int or float number, and following word (unit for example)

Find any url('~filename.jpg'). URL must contain tilde

I use this to match the first url present in a text message.

Unicode user name check with som allowed non-alhanum characters

Matches Portuguese phone numbers.

Matches HTML structure

Convert Arrow Function to Normal Function

This is a regular expression for date in javascript. It validates the month between 01-12 (double digits only). It validates the day between 01-31 (double digits only). And enforces 4 digit year (no validation for range).

date format for "yyyy-MM-dd hh:MM" valid strict model.

Date in format MM-dd-yyyy

It will match all Arabic diacritics in Arabic text, its useful to remove diacritics and to replace it with some css.