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  1. or download this
    my $char = chr(226);
my $pat = quotemeta($char);  # Create pattern that matches string
s/$pat/'/ig;
  2. or download this
    my $char = chr(226);
s/\Q$char\E/'/ig;  # Alternate way of calling quotemeta
  3. or download this
    s/\xE2/'/ig;  # 0xE2 == 226