Java tutorial
public class Main { public static void main(String[] args) { int cp1 = 0x037e; // represents GREEK QUESTION MARK int cp2 = 0x05d1; // represents HEBREW LETTER BET boolean b1 = Character.isUnicodeIdentifierStart(cp1); boolean b2 = Character.isUnicodeIdentifierStart(cp2); System.out.println(b1); System.out.println(b2); } }