WPF 输入框正则效验

原文: WPF 输入框正则效验

1.

if (!TelphoneHelper2.IsTelphone(mobile)
{
MessageBox.Show("请录入正确的手机号！", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
return;
}

2.TelphoneHelper2.cs

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public class TelphoneHelper2     {         public static bool IsTelphone( string tel)         {             String strExp = @"[0-9][0-9][0-9]{9}" ;             Regex r = new Regex(strExp);             Match m = r.Match(tel);             return m.Success;         }     }