字边界正则表达式问题（重叠）
给出以下代码：
var myList = new List<string> { "red shirt", "blue", "green", "red" };
Regex r = new Regex("\b(" + string.Join("|", myList.ToArray()) + ")\b");
MatchCollection m = r.Matches("Alfred has a red shirt and blue tie");
m
"red shirt", "blue", "red"
"red shirt", "blue"
没有找到相关结果
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犀耽澄协吻