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  1. #include <stdio.h>
  2. #include <regex.h>
  3.  
  4. int
  5. regex_match (char *pattern, const char *string)
  6. {
  7.     int       status;
  8.     regex_t   re;
  9.     status = regcomp (&re, pattern, REG_EXTENDED|REG_NOSUB);
  10.     if (status != 0)
  11.       {
  12.         return (0);
  13.       }
  14.     status = regexec (&re, string, (size_t) 0, NULL, 0);
  15.     if (status != 0)
  16.       {
  17.         regfree (&re);
  18.         return (0);
  19.       }
  20.     regfree (&re);
  21.     return (1);
  22. }
  23.  
  24. int
  25. main (void)
  26. {
  27.     char *string       = "Ciao amore mio";
  28.     char *re           = "iao";
  29.  
  30.     if (regex_match (re, string))
  31.       {
  32.         printf ("Il modello \"%s\" trova corrispondenza ",
  33.                 re);
  34.         printf ("nella stringa \"%s\"\n", string);
  35.       }
  36.     else
  37.       {
  38.         printf ("Il modello \"%s\" ", re);
  39.         printf ("NON trova corrispondenza ");
  40.         printf ("nella stringa \"%s\"\n", string);
  41.       }
  42.     return 0;
  43. }
Success #stdin #stdout 0.01s 1852KB
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Standard input is empty
stdout
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Il modello "iao" trova corrispondenza nella stringa "Ciao amore mio"
https://ideone.com/oN1I1
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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