import requests
from bs4 import BeautifulSoup

def get_text_from_html(source):
    soup = BeautifulSoup(source)
    # kill all script and style elements
    for script in soup(["script", "style"]):
        script.extract()    # rip it out

    # get text
    return soup.select("#content")[0].text #get_text()

def getwiki(query):
    r = requests.get("https://en.wikipedia.org/wiki/%s" % query, timeout = 20)
    with open("./%s.txt" % query,"w") as fd:
        fd.write(get_text_from_html(r.text).encode("utf-8", errors="ignore"))


getwiki("Brick")

"""
a-z0-9
.*?
+
[a-z]
[^a-z]
(ab)* # ababababab

(ac|b*)*
[ac|b*]* # c||*a

\w
\s
\t
\n
\W
[\w_]{5}
[\w\W]{1,5}

^l*$.*ppp
".*?"
"""