determine whether a unicode codepoint is alphanumeric , that is , whether it is in one of the categories nd , nl , no , lu , ll , lt , lm or lo concode_field_sep int[] endPoints concode_elem_sep IntRangeSet alphanumerics concode_elem_sep int[] zeroDigits concode_elem_sep int[] startPoints concode_field_sep int getDigitValue
boolean function ( int arg0 ) { return alphanumerics . contains ( arg0 ) ; }