{"id":981203,"date":"2024-12-27T07:00:43","date_gmt":"2024-12-26T23:00:43","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/981203.html"},"modified":"2024-12-27T07:00:46","modified_gmt":"2024-12-26T23:00:46","slug":"python%e5%a6%82%e4%bd%95%e5%8e%bb%e6%8e%89%e7%a9%ba%e6%a0%bc%e6%8d%a2%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/981203.html","title":{"rendered":"python\u5982\u4f55\u53bb\u6389\u7a7a\u683c\u6362\u884c"},"content":{"rendered":"

\"python\u5982\u4f55\u53bb\u6389\u7a7a\u683c\u6362\u884c\"<\/p>\n

\u5728Python\u4e2d\u53bb\u6389\u7a7a\u683c\u548c\u6362\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528strip()\u3001replace()\u3001re.sub()\u7b49\u65b9\u6cd5\u3002<\/strong> \u5176\u4e2d\uff0cstrip()<\/code>\u65b9\u6cd5\u7528\u4e8e\u53bb\u6389\u5b57\u7b26\u4e32\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u7a7a\u683c\u548c\u6362\u884c\uff0creplace()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u7279\u5b9a\u5b57\u7b26\uff0c\u800cre.sub()<\/code>\u65b9\u6cd5\u5219\u5229\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u4f9b\u66f4\u5f3a\u5927\u7684\u6587\u672c\u5904\u7406\u80fd\u529b\u3002\u4ee5\u4e0b\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u53bb\u6389\u7a7a\u683c\u548c\u6362\u884c\u3002<\/p>\n<\/p>\n

\u4e00\u3001STRIP()\u65b9\u6cd5<\/p>\n<\/p>\n

strip()<\/code>\u65b9\u6cd5\u4e3b\u8981\u7528\u4e8e\u53bb\u6389\u5b57\u7b26\u4e32\u4e24\u7aef\u7684\u7a7a\u767d\u5b57\u7b26\uff0c\u5305\u62ec\u7a7a\u683c\u548c\u6362\u884c\u7b26\u3002\u8fd9\u4e2a\u65b9\u6cd5\u8fd8\u63d0\u4f9b\u4e86\u53bb\u6389\u7279\u5b9a\u5b57\u7b26\u7684\u529f\u80fd\uff1a<\/p>\n<\/p>\n

    \n
  1. \n

    \u57fa\u672c\u7528\u6cd5<\/strong>
    strip()<\/code>\u65b9\u6cd5\u9ed8\u8ba4\u53bb\u6389\u5b57\u7b26\u4e32\u4e24\u7aef\u7684\u7a7a\u767d\u5b57\u7b26\u3002\u5982\u679c\u4f60\u53ea\u60f3\u53bb\u6389\u4e00\u7aef\u7684\u7a7a\u767d\u5b57\u7b26\uff0c\u53ef\u4ee5\u5206\u522b\u4f7f\u7528lstrip()<\/code>\u548crstrip()<\/code>\u3002<\/p>\n<\/p>\n

    text = "  Hello, World!  \\n"<\/p>\n
    cleaned_text = text.strip()<\/p>\n
    print(cleaned_text)  # \u8f93\u51fa "Hello, World!"<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n
  2. \n
    \u53bb\u6389\u7279\u5b9a\u5b57\u7b26<\/strong>
    \u4f60\u53ef\u4ee5\u5728strip()<\/code>\u65b9\u6cd5\u4e2d\u4f20\u5165\u53c2\u6570\u6307\u5b9a\u8981\u53bb\u6389\u7684\u5b57\u7b26\u3002<\/p>\n<\/p>\n
    text = "<strong>*Hello, World!<\/strong>*"<\/p>\n
    cleaned_text = text.strip("*")<\/p>\n
    print(cleaned_text)  # \u8f93\u51fa "Hello, World!"<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e8c\u3001REPLACE()\u65b9\u6cd5<\/p>\n<\/p>\n
    replace()<\/code>\u65b9\u6cd5\u7528\u4e8e\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u67d0\u4e2a\u5b57\u7b26\u6216\u5b50\u5b57\u7b26\u4e32\u3002\u5b83\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u5730\u7528\u4e8e\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\u548c\u6362\u884c\u7b26\uff1a<\/p>\n<\/p>\n
      \n
    1. \n
      \u53bb\u6389\u6240\u6709\u7a7a\u683c<\/strong>
      \u901a\u8fc7\u5c06\u7a7a\u683c\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\u6765\u53bb\u6389\u6240\u6709\u7a7a\u683c\u3002<\/p>\n<\/p>\n
      text = "Hello, World!"<\/p>\n
      no_spaces = text.replace(" ", "")<\/p>\n
      print(no_spaces)  # \u8f93\u51fa "Hello,World!"<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n
    2. \n
      \u53bb\u6389\u6362\u884c\u7b26<\/strong>
      \u6362\u884c\u7b26\u53ef\u4ee5\u901a\u8fc7replace()<\/code>\u65b9\u6cd5\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
      text = "Hello,\\nWorld!"<\/p>\n
      no_newlines = text.replace("\\n", "")<\/p>\n
      print(no_newlines)  # \u8f93\u51fa "Hello,World!"<\/p>\n
      <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
      \u4e09\u3001RE.SUB()\u65b9\u6cd5<\/p>\n<\/p>\n
      re.sub()<\/code>\u65b9\u6cd5\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u529f\u80fd\uff0c\u53ef\u4ee5\u7528\u6765\u53bb\u6389\u7a7a\u683c\u548c\u6362\u884c\u7b26\u751a\u81f3\u5176\u4ed6\u590d\u6742\u7684\u5339\u914d\u6a21\u5f0f\uff1a<\/p>\n<\/p>\n
        \n
      1. \n
        \u53bb\u6389\u7a7a\u683c\u548c\u6362\u884c\u7b26<\/strong>
        \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u6240\u6709\u7a7a\u767d\u5b57\u7b26\uff0c\u5305\u62ec\u7a7a\u683c\u3001\u5236\u8868\u7b26\u548c\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n
        import re<\/p>\n
        text = "Hello, \\nWorld! \\t"<\/p>\n
        no_whitespace = re.sub(r'\\s+', '', text)<\/p>\n
        print(no_whitespace)  # \u8f93\u51fa "Hello,World!"<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n
      2. \n
        \u53bb\u6389\u7279\u5b9a\u6a21\u5f0f<\/strong>
        \u6b63\u5219\u8868\u8fbe\u5f0f\u4e5f\u53ef\u4ee5\u7528\u6765\u53bb\u6389\u7279\u5b9a\u7684\u5b57\u7b26\u6a21\u5f0f\u3002<\/p>\n<\/p>\n
        text = "Hello123World456"<\/p>\n
        no_digits = re.sub(r'\\d+', '', text)<\/p>\n
        print(no_digits)  # \u8f93\u51fa "HelloWorld"<\/p>\n
        <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
        \u56db\u3001\u5e94\u7528\u573a\u666f\u5206\u6790<\/p>\n<\/p>\n
          \n
        1. \n
          \u53bb\u6389\u8f93\u5165\u6570\u636e\u4e2d\u7684\u7a7a\u767d\u5b57\u7b26<\/strong>
          \u5728\u6570\u636e\u5904\u7406\u65f6\uff0c\u7ecf\u5e38\u9700\u8981\u53bb\u6389\u7a7a\u767d\u5b57\u7b26\u4ee5\u6e05\u7406\u6570\u636e\u3002strip()<\/code>\u65b9\u6cd5\u975e\u5e38\u9002\u5408\u53bb\u6389\u9996\u5c3e\u7a7a\u767d\u5b57\u7b26\uff0c\u800creplace()<\/code>\u548cre.sub()<\/code>\u53ef\u4ee5\u7528\u4e8e\u66f4\u590d\u6742\u7684\u5b57\u7b26\u6e05\u7406\u9700\u6c42\u3002<\/p>\n<\/p>\n<\/li>\n
        2. \n
          \u683c\u5f0f\u5316\u591a\u884c\u6587\u672c<\/strong>
          \u5f53\u5904\u7406\u591a\u884c\u5b57\u7b26\u4e32\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u53bb\u6389\u591a\u4f59\u7684\u6362\u884c\u7b26\u548c\u7a7a\u683c\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u683c\u5f0f\u5316\u6587\u672c\u3002\u8fd9\u65f6\uff0creplace()<\/code>\u548cre.sub()<\/code>\u65b9\u6cd5\u90fd\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<\/li>\n
        3. \n
          \u5904\u7406\u7528\u6237\u8f93\u5165<\/strong>
          \u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u65f6\uff0c\u901a\u5e38\u9700\u8981\u53bb\u6389\u591a\u4f59\u7684\u7a7a\u767d\u5b57\u7b26\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u3002strip()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u7528\u6765\u53bb\u6389\u7528\u6237\u8f93\u5165\u9996\u5c3e\u7684\u7a7a\u767d\u5b57\u7b26\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
          \u4e94\u3001\u6027\u80fd\u8003\u8651<\/p>\n<\/p>\n
          \u5728\u9009\u62e9\u53bb\u6389\u7a7a\u683c\u548c\u6362\u884c\u7b26\u7684\u65b9\u6cd5\u65f6\uff0c\u9700\u8981\u8003\u8651\u5230\u6027\u80fd\u95ee\u9898\u3002\u5bf9\u4e8e\u7b80\u5355\u7684\u64cd\u4f5c\uff0c\u5982\u53bb\u6389\u9996\u5c3e\u7a7a\u767d\u5b57\u7b26\uff0cstrip()<\/code>\u65b9\u6cd5\u7684\u6027\u80fd\u901a\u5e38\u662f\u6700\u597d\u7684\u3002\u800c\u5728\u9700\u8981\u5904\u7406\u590d\u6742\u7684\u5b57\u7b26\u6a21\u5f0f\u65f6\uff0cre.sub()<\/code>\u867d\u7136\u529f\u80fd\u5f3a\u5927\uff0c\u4f46\u53ef\u80fd\u4f1a\u5e26\u6765\u989d\u5916\u7684\u6027\u80fd\u5f00\u9500\u3002\u56e0\u6b64\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<\/p>\n
          \u901a\u8fc7\u5bf9\u4ee5\u4e0a\u65b9\u6cd5\u7684\u6df1\u5165\u4e86\u89e3\u548c\u5e94\u7528\uff0c\u4f60\u53ef\u4ee5\u5728Python\u4e2d\u9ad8\u6548\u5730\u53bb\u6389\u7a7a\u683c\u548c\u6362\u884c\u7b26\uff0c\u4ece\u800c\u4f18\u5316\u6587\u672c\u5904\u7406\u8fc7\u7a0b\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u4e0d\u4ec5\u80fd\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u8fd8\u80fd\u6709\u6548\u63d0\u5347\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n
          \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
           \u5982\u4f55\u5728Python\u4e2d\u53bb\u6389\u5b57\u7b26\u4e32\u7684\u524d\u540e\u7a7a\u683c\u548c\u6362\u884c\uff1f<\/strong>
          \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528strip()<\/code>\u65b9\u6cd5\u6765\u53bb\u6389\u5b57\u7b26\u4e32\u4e24\u7aef\u7684\u7a7a\u683c\u548c\u6362\u884c\u7b26\u3002\u4f8b\u5982\uff0cmy_string.strip()<\/code>\u4f1a\u8fd4\u56de\u4e00\u4e2a\u53bb\u6389\u524d\u540e\u7a7a\u683c\u548c\u6362\u884c\u7684\u65b0\u5b57\u7b26\u4e32\u3002\u8fd9\u4e2a\u65b9\u6cd5\u975e\u5e38\u9002\u5408\u5904\u7406\u7528\u6237\u8f93\u5165\u6216\u4ece\u6587\u4ef6\u8bfb\u53d6\u7684\u6570\u636e\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5e72\u51c0\u548c\u4e00\u81f4\u3002<\/p>\n
          \u5982\u679c\u6211\u53ea\u60f3\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u7a7a\u683c\u548c\u6362\u884c\u5462\uff1f<\/strong>
          \u53ef\u4ee5\u4f7f\u7528replace()<\/code>\u65b9\u6cd5\u6216re<\/code>\u6a21\u5757\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5b8c\u6210\u8fd9\u9879\u4efb\u52a1\u3002my_string.replace(" ", "").replace("\\n", "")<\/code>\u4f1a\u79fb\u9664\u6240\u6709\u7a7a\u683c\u548c\u6362\u884c\u7b26\u3002\u5982\u679c\u9700\u8981\u66f4\u590d\u6742\u7684\u5339\u914d\uff0c\u53ef\u4ee5\u4f7f\u7528re.sub(r'\\s+', '', my_string)<\/code>\uff0c\u8fd9\u6837\u53ef\u4ee5\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u6240\u6709\u7684\u7a7a\u767d\u5b57\u7b26\uff0c\u5305\u62ec\u7a7a\u683c\u3001\u5236\u8868\u7b26\u548c\u6362\u884c\u7b26\u3002<\/p>\n
          \u5728\u5904\u7406\u6587\u672c\u6587\u4ef6\u65f6\uff0c\u5982\u4f55\u53bb\u6389\u6bcf\u884c\u672b\u5c3e\u7684\u7a7a\u683c\u548c\u6362\u884c\uff1f<\/strong>
          \u8bfb\u53d6\u6587\u672c\u6587\u4ef6\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u7ed3\u5408strip()<\/code>\u65b9\u6cd5\u6765\u5904\u7406\u6bcf\u4e00\u884c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528[line.strip() for line in open('file.txt')]<\/code>\u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2a\u53bb\u6389\u4e86\u6bcf\u884c\u524d\u540e\u7a7a\u683c\u548c\u6362\u884c\u7b26\u7684\u884c\u5217\u8868\u3002\u8fd9\u79cd\u65b9\u5f0f\u4fbf\u4e8e\u6e05\u7406\u6570\u636e\uff0c\u9002\u5408\u540e\u7eed\u7684\u5206\u6790\u6216\u5904\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u53bb\u6389\u7a7a\u683c\u548c\u6362\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528strip()\u3001replace()\u3001re.sub()\u7b49\u65b9\u6cd5\u3002 \u5176\u4e2d\uff0cs […]","protected":false},"author":3,"featured_media":981215,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/981203"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=981203"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/981203\/revisions"}],"predecessor-version":[{"id":981219,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/981203\/revisions\/981219"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/981215"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=981203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=981203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=981203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}