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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <regex.h>
  4.  
  5. int main (void)
  6. {
  7.   int match;
  8.   int err;
  9.   regex_t preg;
  10.   regmatch_t pmatch[5];
  11.   size_t nmatch = 4; //5;
  12.   const char *str_request = "         <font size=-1><a href=mailto:mrnours@citeweb.net>_ MR NOURS _</a></font>          ";
  13.  
  14.  const char *str_regex = "([a-zA-Z0-9][a-zA-Z0-9_.]+@[a-zA-Z0-9_]+\\.(com|net|[a-zA-Z]{2}))([^a-zA-Z]|$)";
  15.  
  16.   err = regcomp(&preg, str_regex, REG_EXTENDED);
  17.   if (err == 0)
  18.     {
  19.       match = regexec(&preg, str_request, nmatch, pmatch, 0);
  20.       nmatch = preg.re_nsub;
  21.       regfree(&preg);
  22.       if (match == 0)
  23.         {
  24.           printf ("match\n");
  25.           int start = pmatch[1].rm_so; // <- Changed from 0 to 1
  26.           int end  = pmatch[1].rm_eo; // <- Changed from 0 to 1
  27.           printf("%d - %d\n\"%.*s\"", start, end, pmatch[1].rm_eo - pmatch[1].rm_so, &str_request[pmatch[1].rm_so]);
  28.         }
  29.       else if (match == REG_NOMATCH)
  30.         {
  31.           printf("unmatch\n");
  32.         }
  33.     }
  34.   puts ("\nPress any key\n");
  35.   getchar ();
  36.   return (EXIT_SUCCESS);
  37.  }
Success #stdin #stdout 0s 2292KB
comments (?)
stdin 
Standard input is empty
stdout 
match
38 - 57
"mrnours@citeweb.net"
Press any key
https://ideone.com/Y3xwjo
language:
C (gcc 8.3)
created:
9 years ago
visibility:
secret

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