1// re2c $INPUT -o $OUTPUT -b
2/*!re2c
3
4a = [aA];
5b = [bB];
6c = [cC];
7d = [dD];
8
9(a|b|c|d|"e"|'f'|[gG])  { return 1; }
10
11.|"\n"				{ return -1; }
12
13*/
14