How Can I Efficiently Split a C# String Using Multiple Delimiters?

Splitting a String Using Multiple Delimiters in C#

This question explores the difficulty of splitting a string in C# using a delimiter character combination of "]". Using the example string "abc5[.", the desired output is an array containing the elements "abc", "rfd", "5", ",", and ".".

Custom Delimiter Splitting

The accepted solution provides an efficient way to perform the split without using regular expressions. By employing the StringSplitOptions.None flag, the string is split using the specified delimiter string without any additional processing or whitespace trimming.

For instance:

string delimiter = "][";
var result = stringToSplit.Split(new[] { delimiter }, StringSplitOptions.None);

This approach effectively splits the string into the desired elements, demonstrating a concise solution to the problem.

Regular Expression Splitting

For those who prefer or require the use of regular expressions, the question also demonstrates the usage of Regex.Split. This method accepts a regular expression as input, which in this case is the delimiter pattern "][". Here's an example:

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

By using this regular expression, the string is successfully split along the delimiter character combination.

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