--- title: Count the Number of Vowels in a String in C# | daily.dev description: Learn different approaches for counting the number of vowels in a string in C#, including looping, using SearchValues, switch statement, Regex.Count(),... canonical: https://daily.dev/posts/count-the-number-of-vowels-in-a-string-in-c--mmu2parqp twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Count the Number of Vowels in a String in C# | daily.dev og:description: Learn different approaches for counting the number of vowels in a string in C#, including looping, using SearchValues, switch statement, Regex.Count(),... og:url: https://daily.dev/posts/count-the-number-of-vowels-in-a-string-in-c--mmu2parqp og:image: https://api.daily.dev/og/posts/Mmu2paRQP.png og:image:alt: Count the Number of Vowels in a String in C# og:image:width: 1200 og:image:height: 630 og:locale: en --- [Code Maze](https://daily.dev/sources/codemaze) [Read post](https://api.daily.dev/r/Mmu2paRQP) # [Count the Number of Vowels in a String in C#](https://api.daily.dev/r/Mmu2paRQP "Go to post") Learn different approaches for counting the number of vowels in a string in C#, including looping, using SearchValues, switch statement, Regex.Count(), Regex.Replace(), and LINQ. Compare their performance. [#c#](/tags/c%23 "Check all #c# posts") May 09, 2024•10m read time•From [code-maze.com](https://api.daily.dev/r/Mmu2paRQP "code-maze.com") [](https://api.daily.dev/r/Mmu2paRQP "Go to post") Table of contents [Prepare Our Counters Application](https://api.daily.dev/r/Mmu2paRQP "Prepare Our Counters Application")[Count the Number of Vowels Using a Loop](https://api.daily.dev/r/Mmu2paRQP "Count the Number of Vowels Using a Loop")[Count the Number of Vowels Using SearchValues](https://api.daily.dev/r/Mmu2paRQP "Count the Number of Vowels Using SearchValues")[Count the Number of Vowels With a Switch Statement](https://api.daily.dev/r/Mmu2paRQP "Count the Number of Vowels With a Switch Statement")[Count the Number of Vowels Using Regex.Count()](https://api.daily.dev/r/Mmu2paRQP "Count the Number of Vowels Using Regex.Count()")[Count the Number of Vowels Using Regex.Replace()](https://api.daily.dev/r/Mmu2paRQP "Count the Number of Vowels Using Regex.Replace()")[Count the Number of Vowels Using LINQ](https://api.daily.dev/r/Mmu2paRQP "Count the Number of Vowels Using LINQ")[Comparing the Performance](https://api.daily.dev/r/Mmu2paRQP "Comparing the Performance")[Conclusion](https://api.daily.dev/r/Mmu2paRQP "Conclusion") 228 Impressions5 Upvotes Comment Bookmark Copy Share your thoughtsPost [](https://daily.dev/sources/codemaze) [Code Maze](https://daily.dev/sources/codemaze "https://daily.dev/sources/codemaze") Codemaze's platform is dedicated to providing insights and resources for developers, focusing on we... 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