parsing video urls (just added vimeo)

  def youtube_video(url, text, height, width)
    altered_text = text.gsub(url,"<iframe title='YouTube video player' class='youtube-player' type='text/html' width='#{width}' height='#{height}' src='#{url}' frameborder='0'></iframe>")
  end
  
  def vimeo_video(url, text, height, width)
    ident_regexp = /\/[0-9]{3,}/
    url_ident = url.scan(ident_regexp).to_s
    altered_text =  text.gsub(url,"<p><iframe title='Vimeo Video Player' src='http://player.vimeo.com/video#{url_ident}' width='#{width}' height='#{height}' frameborder='0'></iframe></p>")
  end
  
  def parse_video(text, height, width)
    youtube_regexp = /(ht)tp\:\/\/[a-zA-Z0-9\-\.]+\.(com|co.uk|org|net|mil|edu)/i
    url = text.split.grep(youtube_regexp).to_s
    if url != "" && url.match("youtube.com")
      text = youtube_video(url, text, height, width)
    elsif url != "" && url.match("vimeo.com")
      text = vimeo_video(url, text, height, width)
    end
    return text
  end