This sounds like a good place for "eval": 
 sub foo
{
    my $client = 'a.b';
    my $re = eval shift;
    grep /$re/, @_;
}

foo(q{qr|<$client>|}, '<a.b>', '<asb>', '<abs>');
# ==> ('<a.b>', '<asb>')

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In reply to Re: dynamic regex variable by educated_foo
in thread dynamic regex variable by lowone

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