by Sai gowtham

How to check if a string contains another string in Objective-C

To check if a string contains another string in objective-c, we can use the rangeOfString: where it returns the {NSNotFound, 0} if a ‘searchString’ is not found.

Here is an example:

NSString *string = @"we love coding";

if ([string rangeOfString:@"love"].location == 0) {
  NSLog(@"string does not contain love");
} else {
  NSLog(@"string contains love!");
}

Output:

string contains love!

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