question: public static boolean isNumbersWithPunctuation ( String token ) { boolean hasDigit = false ; int len = token . length ( ) ; for ( int i = 0 ; i < len ; ++ i ) { char c = token . charAt ( i ) ; hasDigit = hasDigit || Character . isDigit ( c ) ; if ( ! ( Character . isDigit ( c ) || Characters . isPunctuation ( c ) ) ) { return false ; } } return hasDigit ; }
target:  True if the input string contains at least one digit and 0 or more punctuation characters. False otherwise.