Ok regex match all is working.

try-re.c

@@ -7,7 +7,47 @@ regex_t regex;
 // This is the number of capture groups + 1
 #define RESET "\x1b[0m"
 
-void test( const char * trythis) {
+int regmatch( regex_t *preg, const char * string, size_t nmatch, regmatch_t pmatch[], int eflags) {
+    // returns number of matches found.  (Max nmatch)
+    int matches = 0;
+    int offset = 0;
+    int ret;
+
+    while (matches < nmatch) {
+        ret = regexec( preg, string + offset, nmatch - matches, pmatch + matches, eflags);
+        if (!ret) {
+            int current = offset;
+            offset += pmatch[matches].rm_eo;
+            pmatch[matches].rm_so += current;
+            pmatch[matches].rm_eo += current;
+            matches++;
+        } else if (ret == REG_NOMATCH ) {
+            break;
+        } else {
+            break;
+        }
+    }
+    return matches;
+} 
+
+void test(const char * trythis) {
+    regmatch_t regmatches[MAX_MATCH];
+    int matches, x;
+    printf("TEST (%s)\n", trythis);
+
+    matches = regmatch(&regex, trythis, MAX_MATCH, regmatches, 0);
+    if (matches == 0) {
+        printf("No matches.\n");
+    } else {
+        printf("%d matches:\n", matches);
+        for( x = 0; x < matches; x++) {
+            printf("%d (%d - %d)\n", x, regmatches[x].rm_so, regmatches[x].rm_eo);
+            printf("[%.*s]\n", regmatches[x].rm_eo - regmatches[x].rm_so, trythis + regmatches[x].rm_so);
+        }
+    }
+}
+
+void test_( const char * trythis) {
     int ret;
     char msgbuf[100];
     const char * p = trythis;