We'll match a word char instead to be a little more lenient

Author: Scott Baker

libs/header_clean/header_clean.pl

@@ -29,12 +29,12 @@
 	########################################
 	# Find the first file: --- a/README.md #
 	########################################
-	} elsif ($line =~ /^$ansi_sequence_regex--- ([abiwco]\/)?(.+?)(\e|$)/) {
+	} elsif ($line =~ /^$ansi_sequence_regex--- (\w\/)?(.+?)(\e|$)/) {
 		$file_1 = $5;
 
 		# Find the second file on the next line: +++ b/README.md
 		my $next = $input[++$i];
-		$next    =~ /^$ansi_sequence_regex\+\+\+ ([abiwco]\/)?(.+?)(\e|$)/;
+		$next    =~ /^$ansi_sequence_regex\+\+\+ (\w\/)?(.+?)(\e|$)/;
 		if ($1) {
 			print $1; # Print out whatever color we're using
 		}