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  1. #include <stdio.h>
  2. #include <regex.h>        
  3. #include <stdlib.h>
  4.  
  5. #define REGEX "prefix:\\w+,\\w+,\\s*-?[0-9]{1,4}\\s*,\\s*-?[0-9]{1,4}\\s*,\\s*-?[0-9]{1,4}\\s*,\\w*"
  6.  
  7. const char *input = "prefix:string,string,-100,100,0,string";
  8. int main(){
  9.  
  10.     int rc;
  11.  
  12.     regex_t regex;
  13.  
  14.     rc = regcomp(&regex, REGEX, REG_EXTENDED);
  15.     if (rc != 0) {
  16.         fprintf(stderr, "Could not compile regex\n");
  17.         exit(1);
  18.     }
  19.  
  20.     rc = regexec(&regex, input, 0, NULL, 0);
  21.     if (rc == 0) {
  22.         printf("Match!\n");
  23.         return 0;
  24.     }
  25.     else if (rc == REG_NOMATCH) {
  26.         printf("No match\n");
  27.         return -1;
  28.     }
  29.     else {
  30.         perror("Error\n");
  31.         exit(1);
  32.     }
  33.  
  34.     return 0;
  35. }
Success #stdin #stdout 0s 2300KB
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Standard input is empty
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Match!
https://ideone.com/XhrX8h
language:
C (gcc 8.3)
created:
8 years ago
visibility:
secret

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