Dutch phone number: the +31 or leading 0 prefix, then 6 followed by eight digits for a mobile, or an area code and the subscriber number for a landline.
Label: NL_PHONE
(?<![\w+])(?:\+31[\s.-]?|0)(?:6[\s.-]?\d{8}|\d{2,3}[\s.-]?\d{6,7})(?!\w)Bel +31 6 12345678 na tienen. → +31 6 12345678Kantoor 020 1234567 op werkdagen. → 020 1234567Bel 612345678Bel +31 6 1234Tags: nl, contact