runtime/Python3/tests/t006lexer.g - platform/external/antlr - Git at Google

 lexer grammar t006lexer;
 options {
   language = Python3;
 }

 FOO: 'f' ('o' | 'a')*;
	lexer grammar t006lexer;
	options {
	language = Python3;
	}

	FOO: 'f' ('o' \| 'a')*;