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copied!<p>Be careful... the following is legal:</p> <pre><code>if (x > /*let's think... I think comparing it to 3 will be a good idea! */ 3) { peanut(); } </code></pre> <p>So any script will have to make sure to put the single-line comment at the end of the line. This loses the precise location of the comment, plus you need to think what to do with things like this:</p> <pre><code>if (/*hmm... x?*/ x /* yes, x! */ > 3) { butter(); } </code></pre> <p>So you probably want to restrict yourself to comment blocks not appearing on the same line with other code. In that case, be aware block comments can be captured by a single regular expression, so a small <a href="https://stackoverflow.com/questions/3056518/looking-for-a-script-to-convert-multiline-block-comments-in-c-c-to-single-lin/3056623#3056623">Perl script</a> could probably do the job.</p> <p><strong>EDIT:</strong> actually, "code not appearing in the same line" is not enough:</p> <pre><code>char* s = "hello \ /* this is not a comment"; /* this is */ </code></pre> <p><strong>EDIT2:</strong> If you want to cover all corner cases, I think a better solution is to <a href="http://en.wikipedia.org/wiki/Lexical_analysis" rel="nofollow noreferrer">tokenize</a> the entire file. Since you can ignore many things, it wouldn't be too difficult - I've done so myself, in the past, for a C-like language. Once you get a token stream you can go over it, holding a "status" mode to keep track of strings / single-line comments / multiline comments.</p>

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