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

int main(void)
{
    const char *err = NULL;
    int erroffs;
    int flags = 0;
    pcre *reg;
    char teststr[82], *p;
    char regexpr[82] = "";
    int r;

    if (! (p = rl_gets("Enter a test string: ", NULL)))
	exit(0);
    strcpy(teststr, p);

    while(1) {
	if (! (p = rl_gets("Enter a regular expression: ", regexpr)))
	    exit(0);
	if(! strlen(p)) {
	    if (! (p = rl_gets("Enter a test string: ", NULL)))
		exit(0);
	    if(! strlen(p))
		break;
	    strcpy(teststr, p);
	    continue;
	}

	strcpy(regexpr, p);

	if (! (reg = pcre_compile(regexpr, flags, &err, &erroffs, NULL))) {
	    fprintf(stderr, "%s\n", err);
	    continue;
	}

	if(! (r = pcre_exec(reg, NULL, teststr, strlen(teststr), 0, 0, NULL, 0))) {
	    printf("Matches!!\n");
	} else {
	    if (r == PCRE_ERROR_NOMATCH)
		fprintf(stderr, "No match\n");
	    else
		fprintf(stderr, "Matching error %d\n", r);
	}

	pcre_free(reg);
    }

    return 0;
}
.

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