How to split a string on newlines in C#

How to split a string on newlines in C#

In C#, you can split a string on newlines using the Split method and the Environment.NewLine property or a combination of newline characters. Here's how to do it:

  • Using Environment.NewLine:
using System; class Program { static void Main(string[] args) { string text = "Line 1" + Environment.NewLine + "Line 2" + Environment.NewLine + "Line 3"; string[] lines = text.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries); foreach (var line in lines) { Console.WriteLine(line); } } }
  • Using a combination of newline characters (works across different platforms):
using System; class Program { static void Main(string[] args) { string text = "Line 1\r\nLine 2\nLine 3"; string[] lines = text.Split(new[] { "\r\n", "\r", "\n" }, StringSplitOptions.RemoveEmptyEntries); foreach (var line in lines) { Console.WriteLine(line); } } }

Both examples will output:

Line 1 Line 2 Line 3

In both examples, StringSplitOptions.RemoveEmptyEntries is used to remove any empty entries resulting from consecutive newline characters. If you want to keep empty entries, replace it with StringSplitOptions.None.

Examples

  1. C# Split String by Newline Example:

    • Description: Splitting a string by newline characters in C#.
    • Code:
      string inputString = "Line 1\nLine 2\nLine 3"; string[] lines = inputString.Split('\n');

  2. How to Split String into Lines in C#:

    • Description: Splitting a string into lines in C#.
    • Code:
      string inputString = "Line 1\nLine 2\nLine 3"; string[] lines = inputString.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);

  3. Splitting a String on Newline Characters in C#:

    • Description: Splitting a string on newline characters in C#.
    • Code:
      string inputString = "Line 1\nLine 2\nLine 3"; string[] lines = inputString.Split('\n');

  4. C# String Split by Environment.NewLine:

    • Description: Splitting a string using Environment.NewLine in C#.
    • Code:
      string inputString = "Line 1" + Environment.NewLine + "Line 2" + Environment.NewLine + "Line 3"; string[] lines = inputString.Split(new[] { Environment.NewLine }, StringSplitOptions.None);

  5. Using Split Method to Separate Lines in C#:

    • Description: Using the Split method to separate lines in C#.
    • Code:
      string inputString = "Line 1\nLine 2\nLine 3"; string[] lines = inputString.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);

  6. Splitting Multiline String into Array C#:

    • Description: Splitting a multiline string into an array in C#.
    • Code:
      string inputString = "Line 1\r\nLine 2\r\nLine 3"; string[] lines = inputString.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);

  7. C# Split String by '\n' Character:

    • Description: Splitting a string by the '\n' character in C#.
    • Code:
      string inputString = "Line 1\nLine 2\nLine 3"; string[] lines = inputString.Split('\n');

  8. Splitting a String on Line Breaks in C#:

    • Description: Splitting a string on line breaks in C#.
    • Code:
      string inputString = "Line 1\r\nLine 2\r\nLine 3"; string[] lines = inputString.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);

  9. C# Split String by Carriage Return and Line Feed:

    • Description: Splitting a string by carriage return and line feed characters in C#.
    • Code:
      string inputString = "Line 1\r\nLine 2\r\nLine 3"; string[] lines = inputString.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);

  10. String.Split Method with StringSplitOptions.RemoveEmptyEntries in C#:

    • Description: Using the String.Split method with StringSplitOptions.RemoveEmptyEntries in C#.
    • Code:
      string inputString = "Line 1\n\nLine 2\n\nLine 3"; string[] lines = inputString.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);

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