"... any help on this would be much appreciated."

That's nigh impossible without seeing /var/www/cgi/test-thai-mod.pl.

ModPerl::ROOT::ModPerl::PerlRun::var_www_cgi_test_2dthai_2dmod_2epl looks like a very unusual module name. Perhaps a typo on "/var/www/cgi/test-thai-mod.pl line 24".

When you post test-thai-mod.pl, the reason for showing Regexp::CharClasses::Thai on your scratchpad may become apparent: without further information, it seems irrelevant.

— Ken

In reply to Re^5: Listing out the characters included in a character class [v5.38] by kcott
in thread Listing out the characters included in a character class by Polyglot

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