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Introduction to Regexes

  • =~
  • !~
  • //
my $str = "Some string here";
if ($str =~ /m/) {
    print "There is a match\n";
}

if ($str !~ /a/) {
    print "No match\n";
}

# which is the same as

if (not $str =~ /a/) {
    print "No match\n";
}