#!/usr/local/bin/python2
# coding: utf-8
import re

r = re.compile(u"""<("[^"]*"|'[^']*'|[^'">])*"""
               u"""class[\t\n\f\r\u0020]*=[\t\n\f\r\u0020]*[item|"item"|'item']"""
               u"""("[^"]*"|'[^']*'|[^'">])*>""")
print r.match("""<a class = "item">""")