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Answer: How do I replace a substring (if exists) with a different substring in a string?

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Q&A > strings > How do I replace a substring (if exists) with a different substring in a string? contributed by davorg

With appropriate use of index, length and substr.

And remember that substr can be used as an lvalue.

Comment on Answer: How do I replace a substring (if exists) with a different substring in a string?
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