7 com1 = '/*' (notst | '*'+ notstsl)* '*'+ '/';
8 com2 = '/*' notst* ('*' (notstsl notst*)?)* '*/'; //alt1 //alt2 //alt3 //alt4
9 //alt1 com2 = Shortest ('/*' Any* '*/');
10 //alt2 com2 = '/*' (Any* - '*/') '*/';
11 //alt3 com2 = '/*' (('' Lookahead Not '*/') Any)* '*/';
12 //alt4 com2 = '/*' (Any* Except (Any* '*/' Any*)) '*/';
14 dummy = notst | notstsl;
18 p = com1 | com2 | dummy;