remove Regex argument/option

out of scope

src/commonMain/kotlin/com/infendro/cli/command/Argument.kt

@@ -49,7 +49,6 @@ sealed class Argument<T : Any>(
         fun boolean() = argument(BooleanParser)
 
         inline fun <reified T : Enum<T>> enum() = argument(enumParser<T>())
-        fun regex() = argument(RegexParser)
     }
 }
 

src/commonMain/kotlin/com/infendro/cli/command/Option.kt

@@ -92,7 +92,6 @@ sealed class Option<T : Any>(
         fun boolean(vararg names: String) = option(BooleanParser, true, *names)
 
         inline fun <reified T : Enum<T>> enum(vararg names: String) = option(enumParser<T>(), *names)
-        fun regex(vararg names: String) = option(RegexParser, *names)
     }
 }