How Can I Efficiently Split a String into Lines in .NET?

Split string by newline in .NET

Question:

You want to split a string by newline in .NET, but the Split method doesn't seem to be suitable for this task. What's the best way to accomplish this task?

Answer:

To split a string by newlines, use the overload of the Split method with an array of strings:

<code class="language-csharp">string[] lines = theText.Split(
    new string[] { Environment.NewLine },
    StringSplitOptions.None
);</code>

Please note that Environment.NewLine represents a newline character or sequence applicable to the current platform.

Handling different types of line breaks:

If your text may contain different types of line breaks (for example, CRLF and LF), you can handle this by using an array containing multiple string values ​​in the Split method:

<code class="language-csharp">string[] lines = theText.Split(
    new string[] { "\r\n", "\r", "\n" },
    StringSplitOptions.None
);</code>

This will correctly split any type of newline characters, preserving any empty lines or spaces in the text.

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