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  • ios上禁止输入表情

    ios上禁止输入表情


    + (BOOL)isContainsEmoji:(NSString *)string {
        __block BOOL isEomji = NO;
        [string enumerateSubstringsInRange:NSMakeRange(0, [string length]) options:NSStringEnumerationByComposedCharacterSequences usingBlock:
         ^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) {
             const unichar hs = [substring characterAtIndex:0];
             if (0xd800 <= hs && hs <= 0xdbff) {
                 if (substring.length > 1) {
                     const unichar ls = [substring characterAtIndex:1];
                     const int uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000;
                     if (0x1d000 <= uc && uc <= 0x1f77f) {
                         isEomji = YES;
                     }
                 }
             } else if (substring.length > 1) {
                 const unichar ls = [substring characterAtIndex:1];
                 if (ls == 0x20e3) {
                     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;
    }


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  • 原文地址:https://www.cnblogs.com/zfyouxi/p/5163166.html
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