【文件属性】:
文件名称:反向引用组-C#教程实用版 ppt
文件大小:4.81MB
文件格式:PPT
更新时间:2021-04-23 19:47:05
C#教程实用版 ppt
反向引用组
string speech = "Four score and and seven years";
pat = @"(\b[a-zA-Z]+\b)\s\1";
//pat = @"(?
\b[a-zA-Z]+\b)\s\k< repeatand>";
MatchCollection mc = Regex.Matches(speech, pat);
foreach (Match mt in mc)
{
Console.WriteLine(mt);
//Console.WriteLine(mt.Groups[repeatand]);
}