I'm writing a Perl script to match only Perl's keywords, the ones found in the Perl_keyword() function in the lex file toke.c of the interpreter source code.

I'm only a beginner in Perl so my problem is how do I match all the real keywords while excluding keyword-like words inside strings which Perl defines as
"x", 'x', `x`, /x/, m/x/, s/x/x/, y/x/x/, tr/x/x/, q(x), qq(x), qx(x), etc... there are quite a few ways listed in the comments of the scan_str() function used in the lexer.
And also excluding keywords inside comments.

I find that also I can't just simply match strings and exclude them from my searches because matching strings is a complex task in itself since for the ending quote or whatever symbol, i have to check if it's been escaped. And that's only the case if the number of backslashes before it is odd as in "ab c \\\" "

I'd really appreciate any help anyone can give. Thanks.

In reply to Matching Perl Keywords by Anonymous Monk

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