正则表达式
C#中简单的正则表达式(也经常会用到的)
第一个:验证输入的字符串是否为数字
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/// <summary>
/// 验证输入字符串为数字
/// </summary>
/// <param name="P_str_num">输入字符</param>
/// <returns>返回一个bool类型的值</returns>
public bool validateNum(string P_str_num)
{
return Regex.IsMatch(P_str_num, "^[0-9]*$");
}
第二个:验证输入字符串是否为电话号码
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/// <summary>
/// 验证输入字符串是否为电话号码
/// </summary>
/// <param name="P_str_phone">输入字符串</param>
/// <returns>返回一个bool类型的值</returns>
public bool validatePhone(string P_str_phone)
{
return Regex.IsMatch(P_str_phone, @"\d{3,4}-\d{7,8}");
}
第三个:验证输入字符串是否为传真号码
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/// <summary>
/// 验证输入字符串是否为传真号码
/// </summary>
/// <param name="P_str_fax">输入字符串</param>
/// <returns>返回一个bool类型的值</returns>
public bool validateFax(string P_str_fax)
{
return Regex.IsMatch(P_str_fax, @"86-\d{2,3}-\d{7,8}");
}
第四个:验证输入字符串是否为邮政编码
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/// <summary>
/// 验证输入字符串是否为邮政编码
/// </summary>
/// <param name="P_str_postcode">输入字符串</param>
/// <returns>返回一个bool类型的值</returns>
public bool validatePostCode(string P_str_postcode)
{
return Regex.IsMatch(P_str_postcode, @"\d{6}");
}
第五个:验证输入字符串是否为E-mail地址
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/// <summary>
/// 验证输入字符串是否为E-mail地址
/// </summary>
/// <param name="P_str_email">输入字符串</param>
/// <returns>返回一个bool类型的值</returns>
public bool validateEmail(string P_str_email)
{
return Regex.IsMatch(P_str_email, @"\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*");
}
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/// <summary>
/// 验证输入字符串是否为网络地址
/// </summary>
/// <param name="P_str_naddress">输入字符串</param>
/// <returns>返回一个bool类型的值</returns>
public bool validateNAddress(string P_str_naddress)
{
return Regex.IsMatch(P_str_naddress, @"http(s)?://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?");
}