Search within an NSString

gistfile1.m

NSString *string = @"Hello Bla Bla";
NSString *searchText = @"bla";
NSUInteger searchOptions = NSCaseInsensitiveSearch | NSDiacriticInsensitiveSearch;
NSRange searchRange = NSMakeRange(0, string.length);
NSRange foundRange = [string rangeOfString:searchText options:searchOptions range:searchRange];
if (foundRange.length > 0) {
    NSLog(@"Text Found.");
}