Argentine phone number, the +54 country code or the 0 trunk prefix then ten or eleven digits. Separators are allowed anywhere between the digits, since Argentine writing mixes spaces and dashes freely, and the match ends on a digit.
Label: AR_PHONE
(?<![\w+])(?:\+54|0)(?:[\s.-]?\d){10,11}(?!\w)Llamame al +54 9 11 4321-1234 cuando puedas. → +54 9 11 4321-1234El fijo de la oficina es 011 4321-1234. → 011 4321-1234El interno es 0123Documento 20123456Tags: ar, contact