How to Split a String in C# Using a Multi-Character Delimiter like ']['?

String Splitting with Multiple Character Delimiters

Question: How can I split a string in C# using a delimiter of "]["?

Consider the string "abc]rfd[,][.". The desired output is an array containing "abc", "rfd", "5", "," and ".".

Answer:

There are two approaches to splitting a string with multiple character delimiters:

Using string.Split and an Array of Delimiters

The string.Split method allows you to pass an array of delimiters to split the string. To split on "][", use the following code:

string Delimiter = "][";
var Result = StringToSplit.Split(new[] { Delimiter }, StringSplitOptions.None);

Using Regular Expressions with Regex.Split

You can also use a regular expression to split the string. In this case, the delimiter "][" is represented as "][":

string input = "abc][rfd][5][,][.";
string[] parts2 = Regex.Split(input, @"\]\[");

Both methods will produce the desired array of strings:

["abc", "rfd", "5", ",", "."]

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