<<datatype>> A string of Simple Latin upper case letters and/or digits and/or more special characters (space| exclamation mark| double quote| number sign| dollar sign| percent| ampersand| quote| left paren| right paren| asterisk| plus sign| comma| minus sign| period| solidus| colon| semicolon| less than operator| equals operator| greater than operator| question mark| commercial at| left bracket| reverse solidus| right bracket| circumflex| underscore| vertical bar| left brace| right brace).