NSString *regex4 =@"^(?=.*[\\W\\_]+.*)(?=.*\\d)(?=.*[a-z])(?=.*[A-Z]).{1,10}$";
NSPredicate *pred4 = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@", regex4];
BOOL isMatch4 = [pred4 evaluateWithObject:string];
return isMatch4;
NSString *regex4 =@"^(?=.*[\\W\\_]+.*)(?=.*\\d)(?=.*[a-z])(?=.*[A-Z]).{1,10}$";
NSPredicate *pred4 = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@", regex4];
BOOL isMatch4 = [pred4 evaluateWithObject:string];
return isMatch4;
本文标题：正则判断字符串包含数字、字母、特殊字符串
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