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Home Web Front-end HTML Tutorial Various judgments on the registration page (regular expression)_html/css_WEB-ITnose

Various judgments on the registration page (regular expression)_html/css_WEB-ITnose

Jun 24, 2016 am 11:58 AM
judgment regular expression register page

1.密碼判斷

至少包含數(shù)字、字母(區(qū)分大小寫(xiě))、符號(hào)中的2種

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:@"至少包含數(shù)字、字母(區(qū)分大小寫(xiě))、符號(hào)中的2種。" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:nil, nil];                 [alerview show];        [alerview release];                          }
2 .手機(jī)號(hào)碼的確認(rèn)

  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:@"請(qǐng)輸入正確的手機(jī)號(hào)碼" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:nil, nil];          [alerview show];          [alerview release];            }
3.限制用戶名特征應(yīng)該是3 - 10 之間 ?:?

^.{3,10}$


4.電子郵件

[A-Z0-9a-z._%+-]{3,}+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}


5. 密碼必須包含字母數(shù)字字符

[A-Za-z0-9]{6,20}


6.電話號(hào)碼必須在適當(dāng)?shù)母袷?如。# # # - # # # - # # # #)

[0-9]{3}\\-[0-9]{3}\\-[0-9]{4}





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