Python正则表达式实例

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import re
import os

def getPath():
    return os.getcwd()

def outputEmail(path):
    print path
    file = path + '\\redata'

    fopen = open(file, 'r')

    con = ""
    for line in fopen.readlines():
        con += line.strip() + '\n'

    patt = '\w+@\w+\.\w+'
    r = re.compile(patt)
    m = r.findall(con)

    for i in m:
        print i

if __name__ == "__main__":
    path = getPath()

    outputEmail(path)

原始数据data

Thu Jul 22 19:21:19 2004::izsp@dicqdhytvhv.edu::1090549279-4-11
Sun Jul 13 22:42:11 2008::zqeu@dxaibjgkniy.com::1216014131-4-11
Sat May 5 16:36:23 1990::fclihw@alwdbzpsdg.edu::641950583-6-10
Thu Feb 15 17:46:04 2007::uzifzf@dpyivihw.gov::1171590364-6-8
Thu Jun 26 19:08:59 2036::ugxfugt@jkhuqhs.net::2098145339-7-7
Tue Apr 10 01:04:45 2012::zkwaq@rpxwmtikse.com::1334045085-5-10


输出结果为:

izsp@dicqdhytvhv.edu
zqeu@dxaibjgkniy.com
fclihw@alwdbzpsdg.edu
uzifzf@dpyivihw.gov
ugxfugt@jkhuqhs.net
zkwaq@rpxwmtikse.com

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