#include<stdio.h>

#define N 100

void zhenggui(char a[],int b);

main()

{

int i=0;

int b;

char c[N];

printf("请输入正规式：\n");

scanf("%s",c);

while(c[i]!='\0')

{

printf("%c",c[i]);

i++;

}

i=0;

while(c[i]=='('||(c[i]>='a'&&c[i]<='z')||(c[i]>='0'&&c[i]<='9'))

{

do

{

b=i;

zhenggui(c,b);

i++;

}while(c[i]!=')'&&c[i+1]!='*');

}

}

void zhenggui(char a[N],int b)

{

int x=0;

while((a[b]>='a'&&a[b]<='z')||(a[b]>='0'&&a[b]<='9'))

{

printf("f(%d,%c)=%d\n",x,a[b],x+1);

b++;

x++;

}

}