* if the input contains any of the substrings
* @return the argument value
*/
@Override
public Object execute(final Object value, final CSVContext context) throws SuperCSVException, ClassCastException {
if( value == null ) { throw new NullInputException("Input cannot be null on line " + context.lineNumber + " at column " + context.columnNumber, context, this); }
final String sval = value.toString(); // cast
// check for forbidden strings
for( final String forbidden : forbiddenSubStrings ) {
if( sval.indexOf(forbidden) != -1 ) { throw new SuperCSVException("Entry \"" + value + "\" on line "