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How to realize the matching of C # Special characters

2025-01-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article mainly explains "how to realize the matching of C# special characters". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Now let the editor take you to learn "how to achieve the matching of C# special characters"!

Here are some simple examples of matching special characters of C# regular expressions:

String x = "\\"; Regex R1 = new Regex ("^\ $"); Console.WriteLine ("R1 match count:" + r1.Matches (x) .Count); / / 1 Regex R2 = new Regex (@ "^\\ $"); Console.WriteLine ("R2 match count:" + r2.Matches (x) .Count); / / 1 Regex R3 = new Regex ("^\ $"); Console.WriteLine ("R3 match count:" + r3.Matches (x) .Count) / / 0 / / match "\" string x = "\"; Regex R1 = new Regex ("^\" $"); Console.WriteLine (" R1 match count: "+ r1.Matches (x) .Count); / / 1 Regex R2 = new Regex (@" ^ "" $"); Console.WriteLine (" R2 match count: "+ r2.Matches (x) .Count) / / 1 / / matching double quotation marks here, I believe you have a deeper understanding of "how to achieve the matching of C# special characters". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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