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C# / .NET - split string and remove empty substrings

3 points
Created by:
JustMike
3497

In C# / .NET it is possible to split string and remove empty substrings in following way.

1. Split by single character String.Split method example

string text = "John,Mary,,,Laura,Chris";
string[] array = text.Split(",", StringSplitOptions.RemoveEmptyEntries);

foreach (string entry in array)
	Console.WriteLine(entry);

Output:

John
Mary
Laura
Chris

2. Split by string String.Split method example

string text = "John++++Mary++Laura++++Chris";
string[] array = text.Split("++", StringSplitOptions.RemoveEmptyEntries);

foreach (string entry in array)
	Console.WriteLine(entry);

Output:

John
Mary
Laura
Chris

3. Split by array of chars String.Split method example

string text = "John++Mary,,,,,Laura++Chris";
string[] array = text.Split(new char[] { ',', '+' }, StringSplitOptions.RemoveEmptyEntries);

foreach (string entry in array)
	Console.WriteLine(entry);

Output:

John
Mary
Laura
Chris

4. Split by array of strings String.Split method example

string text = "John[+]Mary,,,Laura[+]Chris,,[+][+]";
string[] array = text.Split(new string[] { ",", "[+]" }, StringSplitOptions.RemoveEmptyEntries);

foreach (string entry in array)
	Console.WriteLine(entry);

Output:

John
Mary
Laura
Chris

References

  1. String.Split Method - Microsoft Docs
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