private fun String.slashCount(
      pos: Int,
      limit: Int,
    ): Int {
      var slashCount = 0
      for (i in pos until limit) {
        val c = this[i]
        if (c == '\\' || c == '/') {
          slashCount++
        } else {
          break
        }
      }
      return slashCount
    }