OC -- textfield输入时正则谓词匹配中英文

NSString *zhengze=@"^([a-z0-9]+.?(?:com|cn|mobi|co|net|so|org|gov|tel|tv|biz|cc|hk|name|info|asia|me)?(?:.?(?:cn))?)$";

NSPredicate *pre=[NSPredicatepredicateWithFormat:@"SELF MATCHES %@",zhengze];

if (![pre evaluateWithObject:searchText.text]) {

UIAlertView *alert = [[UIAlertViewalloc] initWithTitle:nilmessage:@"对不起，您输入的域名格式有误n请重新输入！nn例如：abc/abc.com" delegate:self cancelButtonTitle:@"确定"otherButtonTitles:nil,nil];

[alert show];

[alert release];

searchText.text=@"";

}

NSString *match =@"^([a-z0-9]*[u4e00-u9fa5]+[a-z0-9]*.?(?:com|net|tv|biz|cc|公司|网络|中国)?)$";

NSPredicate *predicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",match];

if(![predicate evaluateWithObject:textField.text]){

UIAlertView *alert = [[UIAlertViewalloc] initWithTitle:nilmessage:@"对不起，您输入的域名格式有误n请重新输入！nn例如：万网/万网.com" delegate:self cancelButtonTitle:@"确定"otherButtonTitles:nil,nil];

[alert show];

[alert release];

}

searchText.text=@"";

}

（编辑：李大同）

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