iOS去除特殊字符

// 清除特殊字符
+ (NSString *)cleanSpecialCharacters:(NSString *)text {
    NSString *strResult = nil;
    NSMutableString *originString = [text mutableCopy];
    NSCharacterSet *cs = [NSCharacterSet characterSetWithCharactersInString:@"~!@#$%^&*()+={}':;',[]\\.<>?~！￥%……*（）+【】‘；：”“’。，、？——"];
    NSRange range2;
    do {
        range2=[originString rangeOfCharacterFromSet:cs options:NSLiteralSearch];
        if (range2.location != NSNotFound) {
            [originString deleteCharactersInRange:range2];// 删除range2代表的字符集
        }
    } while (range2.location != NSNotFound);
    strResult = [[NSString alloc] initWithString:originString];
    return strResult;
}