Swift String Exercises: Check if the first two characters are same of the last two characters of a given string
Swift String Programming: Exercise-19 with Solution
Write a Swift program to check if the first two characters are same of the last two characters of a given string.
Pictorial Presentation:
![Flowchart: Swift String Exercises - Check if the first two characters are same of the last two characters of a given string.](https://www.w3resource.com/w3r_images/swift-string-image-exercise-19.png)
Sample Solution:
Swift Code:
func front_end(_ a:String) -> Bool {
if String(a.characters.prefix(2)) == String(a.characters.suffix(2))
{
return true
}
else
{
return false
}
}
print(front_end("abcdefab"))
print(front_end("abcdefba"))
print(front_end(""))
Sample Output:
true false true
Swift Programming Code Editor:
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Next: Write a Swift program to create a new string made of 2 copies of the first 2 characters of a given string. The string may be any length.
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