1lexer grammar t011lexer;
2options {
3  language = JavaScript;
4}
5
6IDENTIFIER:
7        ('a'..'z'|'A'..'Z'|'_')
8        ('a'..'z'
9        |'A'..'Z'
10        |'0'..'9'
11        |'_'
12            {
13              tlog("Underscore");
14              tlog("foo");
15            }
16        )*
17    ;
18
19WS: (' ' | '\n')+;
20