Try this,
my $regexp = qr/ (?: ( int | char | bool | long ) ) /x;

if ($string =~ /\A $regexp \z/xms){
  print $&, "\n";
}

[download]

PooLpi
Update : Parenthesis, thanks lima1 ;)

In reply to Re: multiple options for pattern match help by poolpi
in thread multiple options for pattern match help by barryscott

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