C#后台正则表达式

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;

}