转化时间字符串,HH-mm-ss->mm:ss

来吧,展示

fun timeConverse(time: String): String {
  //2021-07-20 14:00:00->14:00
  val reg = "(\\d{4})-(\\d{2})-(\\d{2}) (\\d{2}):(\\d{2}):(\\d{2})".toRegex()
  return time.replace(reg, "$4:$5")
}