Converting to a hex value is pretty easy: 
perl -e '$_ = q(^%@|CaD5H); s/([^\w-])/sprintf qq(%lx), ord($1)/eg; pr
+int'

[download]
Doing the reverse will be a lot more tricky, unless you add a character to the start of each hex replacement to mark it out as such.

In reply to Re: Quick Regex Question by kilinrax
in thread Quick Regex Question by Anonymous Monk

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