NSString *str=@"ram,arun,kavi,ravi,karthi,muthu,ajith,pavi,kavi";
// NSMutableString *str1=[NSMutableString stringWithString:str];
// [str1 insertString:@",kumar," atIndex:19];
// NSLog(@"the string is:%@",str1);
NSMutableString *mst=[[NSMutableString alloc]init];
NSArray *arr=[str componentsSeparatedByString:@","];
NSMutableArray *myarray=[NSMutableArray arrayWithArray:arr];
for(int i=0;i<[myarray count];i++)
{
if ([[myarray objectAtIndex:i] isEqualToString:@"ravi"])
{
[myarray insertObject:@"hai" atIndex:++i];
}
[mst appendString:[NSString stringWithFormat:@"%@,",[myarray objectAtIndex:i]]];
}
NSLog(@"the array value is:%@ ",mst);
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