title: iPhone: break the text into line for frame
body: <p>I have a looong text and a UILabel with width 300 with wordwrap mode. I need do know how many lines will be if to set my text to this label...And the main thing is to get line where the world "hello" is. How to do that ? How to break text into lines for some frame with some width and get the array of this lines ? Thanks....</p>