iOS判断字符串是否包含表情字符

  • (BOOL)isContainsEmoji:(NSString *)string {
    __block BOOL isEomji = NO;
    [string enumerateSubstringsInRange:NSMakeRange(, [string length]) options:NSStringEnumerationByComposedCharacterSequences usingBlock:
    ^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) {
    const unichar hs = [substring characterAtIndex:];
    if (0xd800 <= hs && hs <= 0xdbff) {
    if (substring.length > ) {
    const unichar ls = [substring characterAtIndex:];
    const int uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000;
    if (0x1d000 <= uc && uc <= 0x1f77f) {
    isEomji = YES;
    }
    }
    } else if (substring.length > ) {
    const unichar ls = [substring characterAtIndex:];
    if (ls == 0x20e3 || ls == 0xfe0f) {
    isEomji = YES;
    }
    } else {
    if (0x2100 <= hs && hs <= 0x27ff && hs != 0x263b) {
    isEomji = YES;
    } else if (0x2B05 <= hs && hs <= 0x2b07) {
    isEomji = YES;
    } else if (0x2934 <= hs && hs <= 0x2935) {
    isEomji = YES;
    } else if (0x3297 <= hs && hs <= 0x3299) {
    isEomji = YES;
    } else if (hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030 || hs == 0x2b55 || hs == 0x2b1c || hs == 0x2b1b || hs == 0x2b50|| hs == 0x231a ) {
    isEomji = YES;
    }
    }
    }];
    return isEomji;
    }