retrieves the number of digits . concode_field_sep int ALL_LETTERS concode_elem_sep int ALL_DIGIT concode_elem_sep int INITAL_CAPITAL_LETTER concode_elem_sep int CONTAINS_COMMA concode_elem_sep int pattern concode_elem_sep int CONTAINS_UPPERCASE concode_elem_sep int CONTAINS_DIGIT concode_elem_sep int ALL_LOWERCASE_LETTER concode_elem_sep int digits concode_elem_sep int CONTAINS_LETTERS concode_elem_sep int CONTAINS_HYPHEN concode_elem_sep int CONTAINS_SLASH concode_elem_sep int ALL_CAPITAL_LETTER concode_elem_sep int CONTAINS_PERIOD concode_field_sep boolean containsComma concode_elem_sep boolean isInitialCapitalLetter concode_elem_sep boolean isAllDigit concode_elem_sep boolean isAllCapitalLetter concode_elem_sep boolean isAllLowerCaseLetter concode_elem_sep boolean containsPeriod concode_elem_sep boolean containsSlash concode_elem_sep boolean containsHyphen concode_elem_sep boolean containsDigit concode_elem_sep StringPattern1 recognize concode_elem_sep boolean isAllLetter concode_elem_sep boolean containsLetters
int function ( ) { return digits ; }