// 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;
}