$re = '/<TextView[^f>]*(?:f(?!ontFamily)[^f>]*)*>/m';
$str = '<TextView
android:id="@+id/txt_refer_invite"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/txt_refer_earn"
android:layout_marginTop="8dp"
android:fontFamily="@font/ms500"
android:gravity="center"
android:lineSpacingExtra="10sp"
android:paddingLeft="16.7dp"
android:paddingRight="16.7dp"
android:text="@{data.description}"
android:textColor="@color/color_858585"
android:textSize="13.3sp"/>
<TextView
android:id="@+id/txt_refer_code"
android:layout_width="200dp"
android:layout_height="48dp"
android:layout_below="@id/txt_refer_invite"
android:layout_centerHorizontal="true"
android:layout_marginTop="22dp"
android:background="@drawable/bg_refer_code"
android:gravity="center"
android:text="@{data==null?``:`Invite code : `+data.referralCode}"
android:textColor="#9c9c9c"
android:textSize="14.3sp"/>';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php