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;
}
}
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