Use a lookahead:

$s = 'Goldman_Sachs_2002';;
$s =~ s[_(?=.*_)][]g;;
print $s;;
GoldmanSachs_2002

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Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re: Simple substitution by BrowserUk
in thread Simple substitution by eversuhoshin

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