Check application version for Android

Version.kt

object version {
    val String.isStable: Boolean
        get() = !this.isNotStable

    val String.isNotStable: Boolean
        get() = listOf("alpha", "beta", "cr", "m", "preview", "b", "ea")
            .map { label -> Regex("(?i).*[.-]$label[.\\d-+]*") }
            .any { regex -> regex.matches(this) }
}