find arabic word in a string with Nunation
<p>i want find a Arabic word with Nunation in a TextView  and highlight this,
for example if my  word is "اشهد" whitout Nunation  i want to find word position in "وَ اَشْهَدُ اَنْ لا اِلهَ اِلاَّ اللَّهُ" with Nunation .</p>