1.密码判断
至少包含数字、字母(区分大小写)、符号中的2种
NSString *regex = @"^(?![A-Z]+$)(?![a-z]+$)(?!\\d+$)(?![\\W_]+$)\\S+$"; NSPredicate *predicate = [NSPredicate predicateWithFormat:@"self matches %@",regex];
if ([predicate evaluateWithObject:textField.text] == NO) { UIAlertView *alerview =[ [UIAlertView alloc]initWithTitle:nil message:@"至少包含数字、字母(区分大小写)、符号中的2种。" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:nil, nil]; [alerview show]; [alerview release]; }
NSString *regex = @"^((13[0-9])|(147)|(15[^4,\\D])|(18[0,5-9]))\\d{8}$"; NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex]; if (![textField.text isEqualToString:@""]&&[predicate evaluateWithObject:textField.text] == NO) { UIAlertView *alerview =[ [UIAlertView alloc]initWithTitle:nil message:@"请输入正确的手机号码" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:nil, nil]; [alerview show]; [alerview release]; }
^.{3,10}$
[A-Z0-9a-z._%+-]{3,}+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}
[A-Za-z0-9]{6,20}
[0-9]{3}\\-[0-9]{3}\\-[0-9]{4}