Perl regular [removed]using a variable as a search string with Perl operator characters included)

Question

$text_to_search = \"example text with [foo] and more\";
$search_string = \"[foo]\";

if ($text_to_search =~ m/$search_string/)
    print \"wee\";

P

Answer 1

Use \Q to autoescape any potentially problematic characters in your variable.

if($text_to_search =~ m/\Q$search_string/) print "wee";