+ /**
+ * Check if character is in the CJK range.
+ *
+ * @param ch character to check
+ * @return true if this character is in the CJK range
+ */
+ public static boolean isCjk(final int ch) {
+ return ((ch >= 0x2e80) && (ch <= 0x9fff));
+ }
+
+ /**
+ * Check if character is in the emoji range.
+ *
+ * @param ch character to check
+ * @return true if this character is in the emoji range
+ */
+ public static boolean isEmoji(final int ch) {
+ return ((ch >= 0x1f004) && (ch <= 0x1fffd));
+ }
+