00 - The test.test

# A comment

If line 25 of the grammar below

  <string>(?:\s|^)(#).*$</string>

is changed to

  <string>(?x)(?:\s|^)(#).*$</string>

the comment at the top of this file no longer matches, also

  <string>(?x:(?:\s|^)(#).*$)</string>

has the same problem

test.tmLanguage

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>fileTypes</key>
	<array>
		<string>test</string>
	</array>
	<key>keyEquivalent</key>
	<string>^~T</string>
	<key>name</key>
	<string>A Test</string>
	<key>patterns</key>
	<array>
		<dict>
			<key>captures</key>
		<dict>
			<key>1</key>
		<dict>
			<key>name</key>
			<string>punctuation.definition.comment.test</string>
		</dict>
		</dict>
			<key>match</key>
			<string>(?:\s|^)(#).*$</string>
			<key>name</key>
			<string>comment.line.number-sign.test</string>
		</dict>
	</array>
	<key>scopeName</key>
	<string>source.test</string>
	<key>uuid</key>
	<string>7B65BD56-B86E-43BC-AF2C-724A85387EF1</string>
</dict>
</plist>