// URL that generated this code:
// http://txt2re.com/index-cpcre.php3?s=14:Mar:2019%20%22This%20is%20an%20Example!%22&14&41

#include <stdio.h>
#include <string.h>
#include <pcre.h>

int main(int argc, char **argv)
{
  const char *error;
  int erroffset;
  int ovector[186];
  char re[8192]="";
  char txt[]="14:Mar:2019 \"This is an Example!\"";

  char re1[]=".*?";	// Non-greedy match on filler
  strcat(re,re1);
  char re2[]="(?:(?:[0-2]?\\d{1})|(?:[3][01]{1}))(?![\\d])";	// Uninteresting: day
  strcat(re,re2);
  char re3[]=".*?";	// Non-greedy match on filler
  strcat(re,re3);
  char re4[]="(?:(?:[0-2]?\\d{1})|(?:[3][01]{1}))(?![\\d])";	// Uninteresting: day
  strcat(re,re4);
  char re5[]="((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])";	// Day 1
  strcat(re,re5);
  char re6[]=".*?";	// Non-greedy match on filler
  strcat(re,re6);
  char re7[]="[a-z]";	// Uninteresting: w
  strcat(re,re7);
  char re8[]=".*?";	// Non-greedy match on filler
  strcat(re,re8);
  char re9[]="[a-z]";	// Uninteresting: w
  strcat(re,re9);
  char re10[]=".*?";	// Non-greedy match on filler
  strcat(re,re10);
  char re11[]="[a-z]";	// Uninteresting: w
  strcat(re,re11);
  char re12[]=".*?";	// Non-greedy match on filler
  strcat(re,re12);
  char re13[]="[a-z]";	// Uninteresting: w
  strcat(re,re13);
  char re14[]=".*?";	// Non-greedy match on filler
  strcat(re,re14);
  char re15[]="[a-z]";	// Uninteresting: w
  strcat(re,re15);
  char re16[]=".*?";	// Non-greedy match on filler
  strcat(re,re16);
  char re17[]="[a-z]";	// Uninteresting: w
  strcat(re,re17);
  char re18[]=".*?";	// Non-greedy match on filler
  strcat(re,re18);
  char re19[]="[a-z]";	// Uninteresting: w
  strcat(re,re19);
  char re20[]=".*?";	// Non-greedy match on filler
  strcat(re,re20);
  char re21[]="[a-z]";	// Uninteresting: w
  strcat(re,re21);
  char re22[]=".*?";	// Non-greedy match on filler
  strcat(re,re22);
  char re23[]="[a-z]";	// Uninteresting: w
  strcat(re,re23);
  char re24[]=".*?";	// Non-greedy match on filler
  strcat(re,re24);
  char re25[]="([a-z])";	// Any Single Word Character (Not Whitespace) 1
  strcat(re,re25);

  pcre *r =  pcre_compile(re, PCRE_CASELESS|PCRE_DOTALL, &error, &erroffset, NULL);
  int rc = pcre_exec(r, NULL, txt, strlen(txt), 0, 0, ovector, 186);
  if (rc>0)
  {
      char day1[1024];
      pcre_copy_substring(txt, ovector, rc,1,day1, 1024);
      printf("(%s)",day1);
      char w1[1024];
      pcre_copy_substring(txt, ovector, rc,2,w1, 1024);
      printf("(%s)",w1);
      puts("\n");
  }
}

//-----
// C does not provide a regular expression feature as standard.
//
// To run this code you will need to first download and install
// the PCRE library from http://www.pcre.org/
//
// Note that on Linux systems PCRE is often already installed in /usr/lib/libpcre* or /usr/local/lib/libpcre*. 
//
// Compile and on Unix using:
// # gcc -lpcre x.c
// # ./a.out
//