1 - (BOOL)isContainsEmoji:(NSString *)string { 2     __block BOOL isEomji = NO; 3     [string enumerateSubstringsInRange:NSMakeRange(0, [string length]) options:NSStringEnumerationByComposedCharacterSequences usingBlock: 4      ^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) { 5          const unichar hs = [substring characterAtIndex:0]; 6          if (0xd800 <= hs && hs <= 0xdbff) { 7              if (substring.length > 1) { 8                  const unichar ls = [substring characterAtIndex:1]; 9                  const int uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000;10                  if (0x1d000 <= uc && uc <= 0x1f77f) {11                      isEomji = YES;12                  }13              }14          } else if (substring.length > 1) {15              const unichar ls = [substring characterAtIndex:1];16              if (ls == 0x20e3 || ls == 0xfe0f) {17                  isEomji = YES;18              }19          } else {20              if (0x2100 <= hs && hs <= 0x27ff && hs != 0x263b) {21                  isEomji = YES;22              } else if (0x2B05 <= hs && hs <= 0x2b07) {23                  isEomji = YES;24              } else if (0x2934 <= hs && hs <= 0x2935) {25                  isEomji = YES;26              } else if (0x3297 <= hs && hs <= 0x3299) {27                  isEomji = YES;28              } else if (hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030 || hs == 0x2b55 || hs == 0x2b1c || hs == 0x2b1b || hs == 0x2b50|| hs == 0x231a ) {29                  isEomji = YES;30              }31          }32      }];33     return isEomji;34 }