(?x)(?:\d{3}-\d{2}-\d{4}) #US Social Security No
(?x)5[1-5]\d{2}[\s-]?\d{4}[\s-]?\d{4}[\s-]?\d{4} #Mastercard
(?x)4\d{3}[\s-]?\d{4}[\s-]?\d{4}[\s-]?\d{4} #Visa
(?x)3[47]\d{2}[\s-]?\d{6}[\s-]?\d{5} #American Express
(?x)[A-Z]{2}\d{2}[A-Z0-9]{4}\d{7}[A-Z0-9]{0,16} #Intl Bank Acct No
(?x)(\+\d{1,2}\s)?\(?\d{3}\)?[\s.-]\d{3}[\s.-]\d{4} #US Phone No
(?x)\+(?:[1-9]\d{0,2})(?:(?:[\s.-]?\(?\d{1,4}\)?)){2,8}(?:[\s,;]*(?:ext\.?|x)\s*\d{1,6})? #plus prefixed phone no
