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 the quotemeta function:

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

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