function parsePhone(s) {
  s = String(s);
  return PHONE_FORMAT.test(s.replace(PHONE_CHARS, '')) ? s : null;
}
function parsePhone(s) {
  s = String(s);
  return PHONE_FORMAT.test(s.replace(PHONE_CHARS, '')) ? s : null;
}
function parsePhone ( s ) { s = String ( s ) ; return PHONE_FORMAT . test ( s . replace ( PHONE_CHARS , '' ) ) ? s : null ; }
Public: Parses a string containing an phone number.  s - The string to parse.  Returns the phone string.
Public : Parses a string containing an phone number . s - The string to parse . Returns the phone string .