import numpy as np
import re
import pandas as pd

def domain2regexp(line, neg=False):
    splt = re.sub('^https?://(?:m\.|www\.)?|/$|\.[^/]{4}$', '', line).split('/', 1)
    domain, excess = splt if len(splt) > 1 else (splt[0], '')
    new_line = domain + ' @ ^https?://(www\.)?([a-z\-_]+\.)?' + re.escape(domain)
    if neg:
        excess_new = excess.split('/')
        new_line += u'/'    + '/'.join(excess_new[:-1]) + '/(?!' + excess_new[-1] + ')'
    else:
        new_line += u'/'    + excess
    return new_line + '.*$'

mas = np.array([['http://www.westmister.eu/collection/verhnyaya-odezhda', True]
               ],
               dtype='O')

for i in mas:
    reg = domain2regexp(i[0], i[1])
    print(reg)