added regexp duplicate named groups - fixed reset of captures with quantizers

libregexp.h

@@ -40,6 +40,9 @@
 #define LRE_RET_MEMORY_ERROR (-1)
 #define LRE_RET_TIMEOUT      (-2)
 
+/* trailer length after the group name including the trailing '\0' */
+#define LRE_GROUP_NAME_TRAILER_LEN 2 
+
 uint8_t *lre_compile(int *plen, char *error_msg, int error_msg_size,
                      const char *buf, size_t buf_len, int re_flags,
                      void *opaque);