fork download
copy 
  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <stdlib.h>
  4.  
  5. int main ()
  6. {
  7.  
  8.     char *first,*second,*start;
  9.     const char *str = "Sept 10 2012; undefined SPAM (uid AUIZ); 03_23_1 user FOO 2012_2";
  10.     char *find = "SPAM";
  11.  
  12.     first = strstr(str, find);
  13.     char res[15]={'\0'};
  14.     if (first != NULL)
  15.     {
  16.         start=second = first;
  17.         while(*second != '\0')
  18.         {
  19.             if (isdigit(*second))
  20.             {
  21.                start =second;
  22.                 while(*second != '\0')
  23.                   if(*second=='_' || isdigit(*second) )
  24.                      second++;
  25.                   else
  26.                       break; 
  27.  
  28.                 break;
  29.             }
  30.             second++;
  31.             start++;  
  32.         }
  33.     }
  34.  
  35.     strncpy ( res, start, second-start );
  36.     res[second-start] = '\0'; 
  37.     printf("%s  %s\n",find,res);
  38.  
  39.     return 0;
  40. }
Success #stdin #stdout 0s 2248KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
SPAM  03_23_1
https://ideone.com/vFyZy8
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!