You can use regex quoting to build up expressions from pieces. It looks something like this:
my $name = qr/\w{1,100}/;
my $num = qr/\d{1,100}/;
$input =~ m{
employee
\(
($name)
,\s*
($name)
,\s*
($num)
\)
}x;
my ($first_name, $last_name, $number) = ($1, $2, $3);
So you can store regexes in vars usin the qr quoting operator, then use them in subsequent regexes merely by mentioning them. They will interpolate.
Phil
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