From: Sebastian Hungerecker <sepp2k@...>
Date: 2007-09-19T19:41:05+09:00
Subject: Re: how can I remove all the comments in my c program.

Vellingiri Arul wrote:
> Dear Friends,
>      using The Ruby how can I remove all the comments in my c program.
>       For example I have mentioned c program ,that may be ruby program
> for your       purpose you assume.
>      I have tried to do using the regular expression.
>      But I was unable to find the anser for this.

The most simple regexen would be %r(//.*$) to match single line comments 
and %r(/\*.*?\*/)m to match multiline comments, but these will give you some 
false positives - for example, when you use // or /* inside a string.
If you want something that works reliably, you would need to use a C-parser 
rather than regular expressions.


HTH,
Sebastian
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