Swift String Exercises: Test if a given string starts with 'ab'

Swift String Programming: Exercise-13 with Solution

Write a Swift program to test if a given string starts with "ab".

Pictorial Presentation:

Sample Solution:

Swift Code:

import Foundation

func starts_with_ab(_ input: String) -> Bool {
    if input.hasPrefix("ab")
    {
        return true
    } 
    else 
    {
        return false
    }
}
print(starts_with_ab("pqrsab"))
print(starts_with_ab("abpqrsab"))
print(starts_with_ab("pqrs"))
print(starts_with_ab("abpqrs"))

Sample Output:

false
true
false
true

Swift Programming Code Editor:

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