正则表达式起始符和结束符的作用和验证手机号码等
![](https://images.cnblogs.com/OutliningIndicators/ExpandedBlockStart.gif)
String Str = "1234567891012356565656565";
Regex regex = new Regex(@"\d{6}");
//将匹配成功因为只要是6个数字的都匹配
foreach (Match match in regex.Matches(Str))
{
Response.Write(match + "<br/>");
}
//匹配起始和末尾必须为6个数字
regex = new Regex(@"^\d{6}$");
foreach (Match match in regex.Matches(Str))
{
Response.Write(match + "<br/>");
}
String str1 = "123456";
//其实和末尾为6个数字所以匹配成功.
if (regex.IsMatch(str1))
{
Response.Write("Success!");
}
else
{
Response.Write("Fail!");
}
Regex regex = new Regex(@"\d{6}");
//将匹配成功因为只要是6个数字的都匹配
foreach (Match match in regex.Matches(Str))
{
Response.Write(match + "<br/>");
}
//匹配起始和末尾必须为6个数字
regex = new Regex(@"^\d{6}$");
foreach (Match match in regex.Matches(Str))
{
Response.Write(match + "<br/>");
}
String str1 = "123456";
//其实和末尾为6个数字所以匹配成功.
if (regex.IsMatch(str1))
{
Response.Write("Success!");
}
else
{
Response.Write("Fail!");
}
验证手机号码
![](https://images.cnblogs.com/OutliningIndicators/ExpandedBlockStart.gif)
string str = "15012345678";
if (Regex.IsMatch(str,@"^0?1(3\d|5[03689])\d{8}$"))
{
Response.Write("Success!");
}
else
{
Response.Write("Fail!");
}
if (Regex.IsMatch(str,@"^0?1(3\d|5[03689])\d{8}$"))
{
Response.Write("Success!");
}
else
{
Response.Write("Fail!");
}
![](https://images.cnblogs.com/OutliningIndicators/ExpandedBlockStart.gif)
//匹配月份加时间
String str = "11月00:00";
if (Regex.IsMatch(str, @"^([1][0-2]|0?\d)月[0-2][0-3]:[0-5][0-9]$"))
{
Response.Write("Success!");
}
else
{
Response.Write("Fail!");
}
//IP地址字符串
str = "192.168.1.1";
if (Regex.IsMatch(str, @"^((2[0-5][0-5]|1\d\d|\d\d|\d)\.){3}(2[0-5][0-5]|1\d\d|\d\d|\d)$"))
{
Response.Write("Success!");
}
else
{
Response.Write("Fail!");
}
String str = "11月00:00";
if (Regex.IsMatch(str, @"^([1][0-2]|0?\d)月[0-2][0-3]:[0-5][0-9]$"))
{
Response.Write("Success!");
}
else
{
Response.Write("Fail!");
}
//IP地址字符串
str = "192.168.1.1";
if (Regex.IsMatch(str, @"^((2[0-5][0-5]|1\d\d|\d\d|\d)\.){3}(2[0-5][0-5]|1\d\d|\d\d|\d)$"))
{
Response.Write("Success!");
}
else
{
Response.Write("Fail!");
}