C#でも名前付きキャプチャを使う Named Group

背景

すっかり忘れてて、C# で使おうとしたら、意外に参照方法に手間取ったための備忘録

概要

基本はこの記事へどうぞ。

実際の使用例

LinqPad での利用例

Match

Match

	displayName.Dump("<<< displayName >>>");
	var pattern = @"(?<FamilyName>\w+)\.(?<GivenName>\w+)@(?<DomainName>.+)";
	var Match = Regex.Match(displayName, pattern);
	
	if (Match.Success){
		Match.Groups["FamilyName"].Value.Dump("FamilyName");
		Match.Groups["GivenName"].Value.Dump("GivenName");
		Match.Groups["DomainName"].Value.Dump("DomainName");
	}

Matches

Matches

	var source = "<code>// hage hage </code>\n<code>public string hagehage {get; set;}</code>";
	var pattern = @"<(?<CodeTag>code)>(?<Source>.*)</\k<CodeTag>>";
	var Matches = Regex.Matches(source, pattern);

	foreach (Match match in Matches){
		match.Value.Dump("<<< Value >>>");
		if (match.Success){
			match.Groups["CodeTag"].Value.Dump("CodeTag");
			match.Groups["Source"].Value.Dump("Source");
		}
		else
		{
			"Not Found!".Dump();
		}
	}

keyword

how to use named group of regular expression