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How to Extract a String Segment Between Two Delimiters Using IndexOf and Substring?

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2025-01-23 00:08:11837browse

How to Extract a String Segment Between Two Delimiters Using IndexOf and Substring?

Extracting Substrings Defined by Delimiters

This guide demonstrates how to isolate a substring within a larger string using two other substrings as delimiters. We'll use the IndexOf and Substring methods for a concise solution.

The method locates the starting index of the first delimiter ("key : ") using IndexOf. The length of this delimiter is then added to this index to account for its presence.

Next, the ending index of the second delimiter (" - ") is found using LastIndexOf. The length of the target substring is determined by subtracting the starting index from the ending index.

Finally, the Substring method extracts the desired portion of the string, using the calculated starting and ending indices. This approach avoids the complexity of regular expressions while efficiently extracting the substring between the delimiters.

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