OBjective C: check the beginning of a string

Question

I must verify the beginning of a string: my example string is

NSString *string1 = @"Hello World";

then I must do an if, example:

 if (string1 startwith "Hello")

How can I do this in objective c?

Answer 1

if ([string1 hasPrefix:@"Hello"])

Answer 2

Read the documentation for the NSString class. You'll find all kinds of surprises.