Regular Expressions 101

An extremely complete regex, that...

strips Country Code 1 &/or token **strips separators **${coc}strips separators **${sn}strips extra digits in vanity phone numbers strips extension delimiter ${ext} or ${4}` captures n-digit extension

Remove the country code or zero leading for Indonesia phone number This regex only read numeric, didn't include any symbol like '+'

Regex to group phone numbers.

This Regex parse whats-app messages to 4 groups: Group1- Date (dd/mm/yyyy) Group2- Time (hh:mm) Group3- Author/Sender (name or phone number) Group4- Chat (actual chat data)

Regex validator for the phone number based on E.164 standard

Phone Number from the USA and similar countries using the a single-digit country code (optionally).

Enhanced US Phone Number to reduce false positives.