key_filter = [re.compile(x.decode("utf-8"), re.I) for x in read_lines(key_filter)]
for line in open(src, "r"):
        try:
            mline = line.decode("utf-8").lower().strip(" \r\n")
            if mline not in keywords:
                if any([x.match(mline) for x in key_filter]):
                    keywords.append(mline)
                    f_dst.write(line)
                    f_dst.flush()
                    count +=1
                    print count
        except UnicodeError:
            f_dst_err.write(line)
            f_dst_err.flush()

import re
import time
rr=re.compile("mama.+$")
t0=time.clock()
s=open(r"Arh3b.dat","rb").read()
res=rr.findall(s)
t1=time.clock()
print t1-t0