Kotlin Validation: How to Check If a String is an Integer - YouTube
spring boot starter parent - Missing "toInt()" from string after upgrading Kotlin - Stack Overflow
Kotlin String: Basics And Best Practices
Can anyone help convert string to integer in kotlin : r/AndroidStudio
Kotlin by JetBrains on X: "Concatenating a lot of strings and keeping an eye on performance? For cases like this one, Kotlin provides buildString and its corresponding convenience functions, which make it