@re = $x=~/(\w+;\w+);{0,1}/g;
Array @re holds the resulting matches (inside the brackets) of the
RegEx $x=~/(\w+;\w+);{0,1}/g
$x=~/(\w+;\w+);{0,1}/g
the /g means don't stop after one match.
/(\w+;\w+);{0,1}/
\w is a "word"
This matches one or more word(s) followed by a semicolon, again one or
more words, the 0 or 1 semicolons - the greater of the two, I suppose;
this allows you to not end in a semicolon.
I suspect the {0,1} would have the same affect as ?
HTH
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