unioned regular expression

unionedrx.rb

def mkrxlabel(label)
	label.downcase.gsub(/\W/,'')
end

def build_oneval_rx(label,rxlabel=nil)
	rxlabel=mkrxlabel(label) if rxlabel.nil?
	Regexp.new("^<b>(?:&nbsp;){0,1}#{label}:(?:&nbsp;){0,1}</b>(?'#{rxlabel}'[^<]*)<br>")
end

rxs=[]
onevals=["Name", "College","Class","Admin. Date"]
onevals.each{|p| rxs << build_oneval_rx(p) }
rxs << build_oneval_rx("Class Enrollment","enrollment")
rxs << build_oneval_rx("No. of Respondents","respondents")

rx=Regexp.union(rxs)

data=rx.match(File.read("coursedata.html"))
puts data[:name]
puts data[:college]