function Finder(node, options) {

    var preset = options.preset && exposed.PRESETS[options.preset]
    options.portionMode = options.portionMode || PORTION_MODE_RETAIN
    if (preset) {
      for (var i in preset) {
        if (hasOwn.call(preset, i) && !hasOwn.call(options, i)) {
          options[i] = preset[i]
        }
      }
    }

    this.node = node
    this.options = options
    // ENable match-preparation method to be passed as option:
    this.prepMatch = options.prepMatch || this.prepMatch
    this.reverts = []
    this.matches = this.search()
    if (this.matches.length) {
      this.processMatches()
    }

  }
Searches for all matches that comply with the instance's 'match' option