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How Can I Split a C# String Using a Multi-Character Delimiter?

Barbara Streisand
Release: 2025-01-05 07:44:40
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How Can I Split a C# String Using a Multi-Character Delimiter?

Implementing String Split with Multiple Character Delimiters in C#

Splitting a string by a multiple-character delimiter can present challenges in programming. This article addresses a specific issue encountered by a C# developer in splitting a string using a delimiter of "][".

Problem Statement

The developer faced difficulties splitting the string "abc]rfd[,][." into the desired array elements:

  • abc
  • rfd
  • 5
  • ,
  • .

Solution

The accepted solution avoided the use of regular expressions, opting for a more direct approach:

string Delimiter = "][";  
var Result[] = StringToSplit.Split(new[] { Delimiter }, StringSplitOptions.None);
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This code defines the delimiter as a string and uses the Split method to separate the input string based on the specified delimiter.

Alternative Approach

To illustrate the versatility of splitting strings, we present an alternative approach using regular expressions:

string input = "abc][rfd][5][,][.";
string[] parts2 = Regex.Split(input, @"\]\[");
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In this solution, a regular expression @"][" is employed to match the delimiter, effectively splitting the input string.

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