110,538
社区成员
发帖
与我相关
我的任务
分享
Regex reg = new Regex(@"(?i)sa(?<value>\d+)");
Match m = reg.Match("");
string s=m.Success? m.Groups["value"].Value:"";
string str = "sa1sa1sa1sa1sa1sa1sa1sa1sa1sa1";
Regex regex = new Regex(@"(?<=\w)\d(?=\w)");
MatchCollection mc = regex.Matches(str);
foreach (Match m in mc)
{
Console.WriteLine(m.Value);
}
string str = "sa1sa1sa1sa1sa1sa1sa1sa1sa1sa1";
Regex re = new Regex(@"\d");
MatchCollection mc = re.Matches(str);
foreach (Match m in mc)
{
Console.WriteLine(m.Value);
}
string str = "sa1sa1sa1sa1sa1sa1sa1sa1sa1sa1";
Console.WriteLine(Regex.Matches(str,"(?s)1").Count);
string str = "sa1sa1sa1sa1sa1sa1sa1sa1sa1sa1";
Regex re = new Regex(@"\d", RegexOptions.None);
MatchCollection mc = re.Matches(str );
foreach (Match ma in mc)
{
//ma.Value就是你想要的
}