如何在Python中只获取匹配的文本？

Question

我有以下Python代码

import psutil
import re

_list = psutil.get_pid_list()

for i in _list:
    if i > 0:
        _process_path = psutil.Process(i).exe
        _match = re.search('\/Applications\/.*\.app\/',_process_path)
        if _match:
            print _process_path

它是有效的，下面是它返回的示例：

/Applications/RegExr.app/Contents/MacOS/RegExr
/Applications/Google Chrome.app/Contents/Versions/24.0.1312.57/Google Chrome Helper.app/Contents/MacOS/Google Chrome Helper
/Applications/TextWrangler.app/Contents/Helpers/Crash Reporter.app/Contents/Helpers/crash-catcher
/Applications/TextWrangler.app/Contents/MacOS/TextWrangler
/Applications/Google Chrome.app/Contents/MacOS/Google Chrome
/Applications/Utilities/Activity Monitor.app/Contents/MacOS/Activity Monitor
/Applications/AppCleaner.app/Contents/Library/LoginItems/AppCleaner Helper.app/Contents/MacOS/AppCleaner Helper
/Applications/Transmit.app/Contents/MacOS/TransmitMenu.app/Contents/MacOS/TransmitMenu
/Applications/Twitter.app/Contents/MacOS/Twitter
/Applications/ScreenFlow.app/Contents/MacOS/ScreenFlowHelper.app/Contents/MacOS/ScreenFlowHelper

如何使它只返回这个？你知道吗

/Applications/RegExr.app
/Applications/Google Chrome.app
/Applications/TextWrangler.app/Contents/Helpers/Crash Reporter.app
/Applications/TextWrangler.app
/Applications/Google Chrome.app
/Applications/Utilities/Activity Monitor.app
/Applications/AppCleaner.app
/Applications/Transmit.app
/Applications/Twitter.app
/Applications/ScreenFlow.app

Answer 1

而是使用^{} method打印匹配的组：

print _match.group()

Answer 2

您的_match对象可以将匹配的文本返回为_match.group(0)。你知道吗