package com.github.insanusmokrassar.TelegramBotAPI.utils private val filenameRegex = Regex("[^/]*$") private val extensionRegex = Regex("[^.]*$") /** * File name like hello.jpg */ typealias FileName = String val String.filenameFromUrl: FileName get() = filenameRegex.find(this) ?.value ?: "" val String.fileExtension get() = extensionRegex.find(this) ?.value ?: ""