static Regex RegPhone = new Regex(@"^((1[34578][0-9]{1}))d{8}");
static Regex RegNumber = new Regex(@"^[0-9]+$");
static Regex RegNumberSign = new Regex(@"^[+-]?[0-9]+$");
static Regex RegDecimal = new Regex(@"^[0-9]+[.]?[0-9]+$");
static Regex RegDecimalSign = new Regex(@"^[+-]?[0-9]+[.]?[0-9]+$"); //等价于^[+-]?d+[.]?d+$
static Regex RegEmail = new Regex(@"^[\w-]+@[\w-]+\.(com|net|org|edu|mil|tv|biz|info)$");//w 英文字母或数字的字符串,和 [a-zA-Z0-9] 语法一样
static Regex RegCHZN = new Regex(@"[u4e00-u9fa5]");
例: /// <summary>
/// 是否数字字符串
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsNumber(string inputData)
{
Match m = RegNumber.Match(inputData);
return m.Success;
}