(?i)(\s|^)\d+(\.\d{3})+(,\d+)?(:?\b|$) (?i)(\s|^)\d+(,\d{3})+(\.\d+)?(:?\b|$) (?i)(\s|^|\s-)\d+(,\d+)(:?\b|$) (?i)(\s|^|\s-)\d+(\.\d+)?(:?\b|$)