常用正则表示
1.QQ号
//数字组成 10000开始
NSString * str =@"[1-9][0-9]{4,}";
2.网址
NSString * str =@"((http[s]{0,1}|ftp)://[a-zA-Z0-9\\.\\-]+\\.([a-zA-Z]{2,4})(:\\d+)?(/[a-zA-Z0-9\\.\\-~!@#$%^&*+?:_/=<>]*)?)|(www.[a-zA-Z0-9\\.\\-]+\\.([a-zA-Z]{2,4})(:\\d+)?(/[a-zA-Z0-9\\.\\-~!@#$%^&*+?:_/=<>]*)?)";
3身份证
NSString *str = @"/(^\\d{15}$)|(^\\d{18}$)|(^\\d{17}(\\d|X|x)$)/";
4手机号
NSString *str1 = @"^((13[0-9])|(15[^4,\\D])|(18[0-9])|(14[57])|(17[013678]))\\d{8}$";
5电子邮箱
NSString *str1 = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
if (self.yhjtext.text.length >0) {
//16或19位银行卡号
NSString * str =@"^([0-9]{16}|[0-9]{19})$";
//谓词
NSPredicate * pre =[NSPredicate predicateWithFormat:@"self matches %@",str];
BOOL is =[pre evaluateWithObject: self.yhjtext.text];
if (is) {
UIAlertController * alert =[UIAlertController alertControllerWithTitle:@"银行卡号标明" message:@"正确" preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction * ac1 =[UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
}];
UIAlertAction * ac2 =[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
}];
[alert addAction:ac1];
[alert addAction:ac2];
[self presentViewController:alert animated:NO completion:^{
}];
}
else{
UIAlertController * alert =[UIAlertController alertControllerWithTitle:@"银行卡号码标明" message:@"不正确" preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction * ac1 =[UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
}];
UIAlertAction * ac2 =[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
}];
[alert addAction:ac1];
[alert addAction:ac2];
[self presentViewController:alert animated:NO completion:^{
}];
}
}
