regexp_example.p

import regexp
typedef struct regexp regexp

void main(){
	regexp reg
	char* s = reg.rep2post("a(bb)?a")
	while(*s != 0){
		write *s
		s++
	}
	
	
	int i = 0
	switch(i)
	{
	case 1:
		write 1
	case 2:
		write 2
	default:
		write 3
	}

}