gistfile1.scala

  private val _jqueryCssSelectRegex = """(^\S)+""".r
  private val _matchChar = Set('*', '[', '^', '-')

  def sel(exp: String, content: NodeSeq): CssSel = {
    val selects = _jqueryCssSelectRegex.findAllMatchIn(exp).map(_.matched).toList

    val (init, last) =
      if (_matchChar.contains(selects.last.head))
        selects.dropRight(2) -> selects.takeRight(2).mkString(" ")
      else
        selects.dropRight(1) -> selects.takeRight(1).mkString

    init.foldRight(last #> content)((exp, cssSel) => exp #> cssSel)
  }

  implicit final class TsStringToCssSel(exp: String) {
    def #>>(content: NodeSeq): CssSel =
      H.sel(exp, content)

    def #>>[V <: AnyVal](value: V): CssSel =
      H.sel(exp, Text(value.toString))

    def #>>(value: String): CssSel =
      H.sel(exp, Text(value))
  }