based on object value how do i get NSMutableArray index value
<p>How do i get index value from NSMutableArray.</p>

<p>I got <code>NSString *stringValue=@"e";</code></p>

<p>And my <code>NSMutableArray *arrayValue=[[NSMutableArray alloc]init];</code></p>

<pre><code>[arrayValue addobject:@"a"];
[arrayValue addobject:@"b"];
[arrayValue addobject:@"c"];
[arrayValue addobject:@"d"];
[arrayValue addobject:@"e"];
[arrayValue addobject:@"f"];
[arrayValue addobject:@"g"];
</code></pre>

<p>I want to get array index value based on string value.</p>

<p>How to do</p>

<p>@thanks in advance.</p>
