How Can I Split a String Using a Custom String Separator in C#?

Split string using custom delimiter in C#

The string.Split() method in C# is usually used to split a string based on specific characters. But what if you need to split a string using a string as a delimiter?

The workaround is to use the string array overload of Split(). You can define custom delimiters by providing an array of strings as the split parameter.

Consider the following example:

<code class="language-csharp">string data = "THExxQUICKxxBROWNxxFOX";

return data.Split(new string[] { "xx" }, StringSplitOptions.None);</code>

In this example, our goal is to split the data string using the string "xx". To do this, we create an array containing this separator string and pass it as the first argument to Split() and the method will split the string accordingly.

The

StringSplitOptions.None parameter ensures that empty substrings are not omitted from the result, so the output array will contain:

<code>{ "THE", "QUICK", "BROWN", "FOX" }</code>

This customization method allows you to split strings using custom string-based delimiters, providing greater flexibility in string manipulation tasks.

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