Telephone number

strict international section :- starting with '+' or '00' flexible local section for wider international and allows spaces for visual formatting

Close enough for many requirements. Tweak to match your country/circumstances better.

Matches:

+1 123456 001 123456 001123456 +1123456 +32 123456 +32 123 456 0032 123456 +32 123 456 +32123456 00354 123456 +354 123456 +354123456