Entry tags:
everybody knew it, but...
scala> "my number is 100 15 90" filter (_.isDigit) res5: String = 1001590
scala> "my number is 100 15 90" filter (_.isDigit) res5: String = 1001590
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umklaidet)
  def parameters(href): Map[String, String] = href split("\\?",2) toList match {
    case url::params::Nil => params.split("&") map (_ split "=" toList) collect {
      case k::v::Nil => k->v
    } toMap
    case otherwise => Map.empty  
  }