先留著,日後有用!

string text = " 订单52|本次付款：4783|本单结清,";
string pat = @"\d+";
Regex r = new Regex(pat);
MatchCollection m = r.Matches(text);
for (int i = 0; i < m.Count; i++) {
    Response.Write("Match" + (i+1) +"："+ m[i].Value + "<br />");
}

string text = " 订单5|本次付款：4783|本单结清,"; string pat = @"(\d+)"; Regex r = new Regex(pat,RegexOptions.IgnoreCase); Match m = r.Match(text); int matchCount = 0; while (m.Success) { ++matchCount; Group g = m.Groups[1]; Response.Write("Match" + matchCount +"："+ g + "<br />"); m = m.NextMatch(); }