Italian phone number: an optional +39, then a mobile prefix starting 3 or a landline area code starting 0, then the subscriber digits. Italy keeps the leading 0 when dialling, unlike most of Europe.
Label: IT_PHONE
(?<![\w+])(?:\+39[\s.-]?)?(?:3\d{2}|0\d{1,3})[\s.-]?\d{5,8}(?!\w)Chiama il +39 06 12345678 in mattinata. → +39 06 12345678Cellulare 331 1234567 sempre attivo. → 331 1234567Chiama il 12345Numero 991 1234567Tags: it, contact