正则表达式在C#实用例子
方法一:
protected void btnTest_Click(object sender, EventArgs e)
{string str = txtReg.Text.Trim();
if (Regex.IsMatch(str, "^[0-9]*[1-9][0-9]*$"))
{
Response.Write("匹配");
}
else
{
Response.Write("不匹配");
}
}
using System.Text.RegularExpressions;
要引入正则的命名空间
方法二:前台验证方式:
<input name=haha onblur="if(!/^(\d|1[0-8])$/.test(this.value)){alert('错误');this.value=''}">