Retrieving the character count of a string in .NET has various methods: using Span with Length, Length, or Enumerable.Count(). This article will prove which is the fastest method.
Tag: CA1820
The Fastest Way to Get a String’s Length in Microsoft .NET
This article analyzes the performance of different methods for retrieving the character count of a string in .NET.
String Performance: The Fastest Way to Get a String’s Length
The article highlights the importance of using efficient methods for checking if a string is empty or null, emphasizing the performance benefits and exception prevention of using `string.IsNullOrEmpty()` and `string.IsNullOrWhiteSpace()` over the traditional `if (emailAddress == "")` approach. Benchmark results reveal that using null and `string.Empty()` is the most performant way to check for an empty string, with other methods showing similar performance levels. Updated January 2024.
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