sharedText = String.replace("youtube.com/", "youMYtube.com/");

        Toast.makeText(this, sharedText, Toast.LENGTH_LONG).show();
        Intent shareIntent = new Intent(Intent.ACTION_SEND);
        shareIntent.setType("text/plain");
        shareIntent.putExtra(Intent.EXTRA_TEXT, sharedText);
        startActivity(Intent.createChooser(shareIntent, "Share..."));