如何在NSMutableArray中检查字符串值索引

Question

NSMutableArray *arr_Status =[@"Pending",@"In Progress",@"In Testing",@"Needs Research",@"Limitation",@"Issue Not Clear",@"Unassigned"];

我有一个NSString *String = @"Limitation"

如何在NSMutableArray中获取索引字符串值