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poj - you're right...

While testing it I realized I was getting back dodgy results, it turns out what I needed to do was use negative lookahead

I ended up changing the value of key 1 in %char_swap_hash to this:

1 => {OLD => '&(?!(amp;)|(lt;)|(gt;))', NEW => '&'}, # don't match + legit '&' codes

I then saw your solution which not only confirmed that attempting to use a character class to evaluate lookaheads was bonkers but introduced me YAPE::Regex::Explain - which at the moment isn't being found by cpanm (so I am unable to easily install and use it; which is more than a little irritating)

However, many thanks poj - I appreciate all your help.


In reply to Re^6: Interpolating subroutine call in SQL INSERT INTO SELECT statement by shadowsong
in thread Interpolating subroutine call in SQL INSERT INTO SELECT statement by shadowsong

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