added single digits in classify

class.c

@@ -42,9 +42,7 @@ int isEscapedChar(char char1, char char2){
     else if ( char1=='\\'){
         return 92;
     }
-    else return ;
-    //if(character==92 || character==7 || character==8 || character==27 || character==12 || character==10 || character==13 || character==13
-    // || character==9 || character==11)
+    else return ; //returning nothing for the moment, returning 0 printed weird character, no idea what to do
 }
 
 char *classify(char *spec)
@@ -106,7 +104,7 @@ char *classify(char *spec)
             }
 
        }
-       else if((spec[index]>=65 && spec[index]<=90) || (spec[index]>=97 && spec[index]<=122)){
+       else if((spec[index]>=65 && spec[index]<=90) || (spec[index]>=97 && spec[index]<=122) || (spec[index]<=57 && spec[index]>=48) ){
            setBit(class,spec[index]);
            printf("added char : %c\n",spec[index]);
        }
@@ -121,7 +119,7 @@ char *classify(char *spec)
         index++;
     }
 
-    if (spec[0]=="^") {
+    if (spec[0]==94) {
 	for (int i= 0;  i < 8;  ++i) class[i] ^= 255;   // invert all bits in the class
     }
 
@@ -135,7 +133,7 @@ int main()
     ssize_t line_len=0;
     char a='a';
     printf("%i\n",(int)a);
-    printf("%s",classify("fgmfa\\-c"));
+    printf("%s",classify("a"));
     while ((line_len= getline(&line,&line_max,stdin)) >= 0) {
         if (line_len>0 && line[line_len-1]=='\n') {
             line[line_len-1]=0;