/* ... even if we fail to match. */
a = tal_strdup(ctx, "([a-z]+)");
ok1(tal_strreg(ctx, take(tal_strdup(ctx, "HELLO WORLD!")),
take(a), &b, invalid) == false);
/* ... even if we fail to match. */
a = tal_strdup(ctx, "([a-z]+)");
ok1(tal_strreg(ctx, take(tal_strdup(ctx, "HELLO WORLD!")),
take(a), &b, invalid) == false);