Detecting if an NSString contains…?

Question

How can I detect if a string contains a certain word? For example, I have a string below which reads:

@\"Here is my string.\"

I\'d like to know

Answer 1

With iOS 8 and Swift, we can use localizedCaseInsensitiveContainsString method

 let string: NSString = "Café"
 let substring: NSString = "É"

 string.localizedCaseInsensitiveContainsString(substring) // true