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"
}
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
