正則表達式僅匹配一個詞

Question

我正在嘗試匹配數字和一行中數字后面的所有單詞。 我發現可以使用的正則表達式為'（90 [13]）。*'。 我在Mac上將Python與Sublime結合使用。

在regex101.com上，它可以工作並匹配每行上的901和903及其后面的單詞。 但是，當我在代碼編輯器中嘗試該命令時，它僅匹配數字901和903，但不匹配其后的單詞。

這是字符串

2008-11-08 06:32:46.354761500 26318 logging::logterse plugin: ` 89.223.216.72   apn-89-223-216-72.vodafone.hu   apn-89-223-216-72.vodafone.hu   <toshiter@donin.com>        rhsbl   901 Not supporting null originator (DSN)    msg denied before queued
2008-11-08 06:33:17.924158500 26331 logging::logterse plugin: ` 208.99.214.236  mx22.ecreditchoices7.com    mx22.ecreditchoices7.com    <moneydiet2@mx22.ecreditchoices7.com>       dnsbl   903 http://www.spamhaus.org/SBL/sbl.lasso?query=SBL69049    msg denied before queued
2008-11-08 06:34:53.318459500 26358 logging::logterse plugin: ` 84.58.57.150    dslb-084-058-057-150.pools.arcor-ip.net rpemgmu.arcor-ip.net    <sundered@ancientinc.com>       dnsbl   903 http://www.spamhaus.org/query/bl?ip=84.58.57.150    msg denied before queued
2008-11-08 06:35:41.724563500 26375 logging::logterse plugin: ` 58.126.113.198  Unknown [58.126.113.198]    <benny@surecom.com>     rhsbl   901 Not supporting null originator (DSN)    msg denied before queued
2008-11-08 06:37:31.730609500 26398 logging::logterse plugin: ` 87.103.146.91   pmsn.91.146.103.87.sable.dsl.krasnet.ru pmsn.91.146.103.87.sable.dsl.krasnet.ru <dwweem@wee.com>        dnsbl   903 http://www.spamhaus.org/query/bl?ip=87.103.146.91   msg denied before queued
2008-11-08 06:37:41.211401500 26409 logging::logterse plugin: ` 87.103.146.91   pmsn.91.146.103.87.sable.dsl.krasnet.ru pmsn.91.146.103.87.sable.dsl.krasnet.ru <dwtrupsm@trups.com>        dnsbl   903 http://www.spamhaus.org/query/bl?ip=87.103.146.91   msg denied before queued

表達式應匹配“ 901不支持在排隊之前拒絕的空原始發件人（DSN）消息”，但僅匹配“ 901”

with open('data/email_log.txt', 'r') as fh:
    email_log = fh.read()

print(re.findall('(90[13]).*', email_log))

Answer 1

在python中，使用re.findall表現出以下行為：

如果該模式中存在一個或多個組，則返回一個組列表；否則，返回一個列表。

由於.* （在您的號碼之后找到的所有內容）未包含在組中，因此它不會出現在最終結果中。 完全刪除組，或在電話號碼后的文本中添加組：

s = """
2008-11-08 06:32:46.354761500 26318 logging::logterse plugin: ` 89.223.216.72   apn-89-223-216-72.vodafone.hu   apn-89-223-216-72.vodafone.hu   <toshiter@donin.com>        rhsbl   901 Not supporting null originator (DSN)    msg denied before queued
2008-11-08 06:33:17.924158500 26331 logging::logterse plugin: ` 208.99.214.236  mx22.ecreditchoices7.com    mx22.ecreditchoices7.com    <moneydiet2@mx22.ecreditchoices7.com>       dnsbl   903 http://www.spamhaus.org/SBL/sbl.lasso?query=SBL69049    msg denied before queued
2008-11-08 06:34:53.318459500 26358 logging::logterse plugin: ` 84.58.57.150    dslb-084-058-057-150.pools.arcor-ip.net rpemgmu.arcor-ip.net    <sundered@ancientinc.com>       dnsbl   903 http://www.spamhaus.org/query/bl?ip=84.58.57.150    msg denied before queued
2008-11-08 06:35:41.724563500 26375 logging::logterse plugin: ` 58.126.113.198  Unknown [58.126.113.198]    <benny@surecom.com>     rhsbl   901 Not supporting null originator (DSN)    msg denied before queued
2008-11-08 06:37:31.730609500 26398 logging::logterse plugin: ` 87.103.146.91   pmsn.91.146.103.87.sable.dsl.krasnet.ru pmsn.91.146.103.87.sable.dsl.krasnet.ru <dwweem@wee.com>        dnsbl   903 http://www.spamhaus.org/query/bl?ip=87.103.146.91   msg denied before queued
2008-11-08 06:37:41.211401500 26409 logging::logterse plugin: ` 87.103.146.91   pmsn.91.146.103.87.sable.dsl.krasnet.ru pmsn.91.146.103.87.sable.dsl.krasnet.ru <dwtrupsm@trups.com>        dnsbl   903 http://www.spamhaus.org/query/bl?ip=87.103.146.91   msg denied before queued
"""
import re
print(re.findall(r'(90[13])(.*)', s))

輸出：

[('901', ' Not supporting null originator (DSN)    msg denied before queued'), ('903', ' http://www.spamhaus.org/SBL/sbl.lasso?query=SBL69049    msg denied before queued'), ('903', ' http://www.spamhaus.org/query/bl?ip=84.58.57.150    msg denied before queued'), ('901', ' Not supporting null originator (DSN)    msg denied before queued'), ('903', ' http://www.spamhaus.org/query/bl?ip=87.103.146.91   msg denied before queued'), ('903', ' http://www.spamhaus.org/query/bl?ip=87.103.146.91   msg denied before queued')]