Question: Hello, How do I make the compiler throw an error in Swift if the first 2 characters in a text field are 0. For example,

Hello,

How do I make the compiler throw an error in Swift if the first 2 characters in a text field are 0.

For example,

if myTextField.text == "0" {

myMessage = "Invalid!"

}

I can do that but how do I do the following?

if myTextField.text == "0023467" {

myMessage = "The first two characters cannot be 0"

}

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