{"id":1111703,"date":"2025-01-08T17:31:47","date_gmt":"2025-01-08T09:31:47","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1111703.html"},"modified":"2025-01-08T17:31:50","modified_gmt":"2025-01-08T09:31:50","slug":"python%e5%a6%82%e4%bd%95%e5%88%a0%e9%99%a4%e6%95%b0%e6%8d%ae%e4%b8%ad%e7%9a%84%e9%9d%9e%e6%96%87%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1111703.html","title":{"rendered":"python\u5982\u4f55\u5220\u9664\u6570\u636e\u4e2d\u7684\u975e\u6587\u672c"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25074042\/ed1c141b-1a82-40c2-9d9d-a3f252b6043a.webp\" alt=\"python\u5982\u4f55\u5220\u9664\u6570\u636e\u4e2d\u7684\u975e\u6587\u672c\" \/><\/p>\n<p><p> <strong>Python\u5220\u9664\u6570\u636e\u4e2d\u7684\u975e\u6587\u672c\u5b57\u7b26\u4e3b\u8981\u65b9\u6cd5\uff1a\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5229\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5\u3001\u7ed3\u5408Pandas\u5e93\u8fdb\u884c\u6570\u636e\u6e05\u6d17<\/strong>\u3002\u5176\u4e2d\uff0c\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u9ad8\u6548\u4e14\u7075\u6d3b\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7528\u6765\u5339\u914d\u548c\u66ff\u6362\u975e\u6587\u672c\u5b57\u7b26\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u901a\u8fc7\u5177\u4f53\u793a\u4f8b\u6765\u5c55\u793a\u5b83\u4eec\u7684\u5e94\u7528\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/h3>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\uff08Regular Expression\uff09\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u6587\u672c\u5904\u7406\u5de5\u5177\uff0c\u7528\u4e8e\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684\u7279\u5b9a\u6a21\u5f0f\u3002Python\u7684<code>re<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u5bf9\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u652f\u6301\uff0c\u53ef\u4ee5\u7528\u6765\u5220\u9664\u6570\u636e\u4e2d\u7684\u975e\u6587\u672c\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><h4>1. \u5b89\u88c5\u548c\u5bfc\u5165\u6a21\u5757<\/h4>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u786e\u4fdd\u5df2\u7ecf\u5b89\u88c5\u4e86<code>re<\/code>\u6a21\u5757\uff08Python\u6807\u51c6\u5e93\u81ea\u5e26\uff0c\u65e0\u9700\u5355\u72ec\u5b89\u88c5\uff09\uff0c\u7136\u540e\u5728\u4ee3\u7801\u4e2d\u5bfc\u5165\u8be5\u6a21\u5757\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u7f16\u5199\u6b63\u5219\u8868\u8fbe\u5f0f<\/h4>\n<\/p>\n<p><p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u6240\u6709\u975e\u5b57\u6bcd\u5b57\u7b26\uff0c\u5e76\u5c06\u5176\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">text = &quot;Hello, World! 123&quot;<\/p>\n<p>cleaned_text = re.sub(r&#39;[^A-Za-z]&#39;, &#39;&#39;, text)<\/p>\n<p>print(cleaned_text)  # \u8f93\u51fa: HelloWorld<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c<code>[^A-Za-z]<\/code>\u8868\u793a\u5339\u914d\u6240\u6709\u975e\u5b57\u6bcd\u5b57\u7b26\uff0c<code>re.sub<\/code>\u51fd\u6570\u5c06\u8fd9\u4e9b\u5b57\u7b26\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u5220\u9664\u975e\u6587\u672c\u5b57\u7b26\u7684\u76ee\u6807\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u5229\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p>Python\u7684\u5b57\u7b26\u4e32\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u7528\u6765\u5220\u9664\u6570\u636e\u4e2d\u7684\u975e\u6587\u672c\u5b57\u7b26\u3002\u867d\u7136\u8fd9\u79cd\u65b9\u6cd5\u6ca1\u6709\u6b63\u5219\u8868\u8fbe\u5f0f\u90a3\u4e48\u7075\u6d3b\uff0c\u4f46\u5bf9\u4e8e\u7b80\u5355\u573a\u666f\u6765\u8bf4\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<\/p>\n<p><h4>1. \u4f7f\u7528\u5b57\u7b26\u4e32\u7684<code>isalpha<\/code>\u65b9\u6cd5<\/h4>\n<\/p>\n<p><p>\u6211\u4eec\u53ef\u4ee5\u904d\u5386\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\uff0c\u4fdd\u7559\u5b57\u6bcd\u5b57\u7b26\uff0c\u5220\u9664\u5176\u4ed6\u5b57\u7b26\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">text = &quot;Hello, World! 123&quot;<\/p>\n<p>cleaned_text = &#39;&#39;.join([char for char in text if char.isalpha()])<\/p>\n<p>print(cleaned_text)  # \u8f93\u51fa: HelloWorld<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u8fc7\u6ee4\u51fa\u6240\u6709\u5b57\u6bcd\u5b57\u7b26\uff0c\u5e76\u5c06\u5b83\u4eec\u62fc\u63a5\u6210\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u7ed3\u5408Pandas\u5e93\u8fdb\u884c\u6570\u636e\u6e05\u6d17<\/h3>\n<\/p>\n<p><p>Pandas\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u5e93\uff0c\u5e38\u7528\u4e8e\u6570\u636e\u5206\u6790\u548c\u6570\u636e\u6e05\u6d17\u3002\u6211\u4eec\u53ef\u4ee5\u5229\u7528Pandas\u5bf9\u6570\u636e\u6846\u4e2d\u7684\u6587\u672c\u5217\u8fdb\u884c\u6279\u91cf\u5904\u7406\uff0c\u5220\u9664\u975e\u6587\u672c\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><h4>1. \u5b89\u88c5\u548c\u5bfc\u5165Pandas\u5e93<\/h4>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u786e\u4fdd\u5df2\u7ecf\u5b89\u88c5\u4e86Pandas\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install pandas<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u7136\u540e\u5728\u4ee3\u7801\u4e2d\u5bfc\u5165\u8be5\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u521b\u5efaDataFrame\u5e76\u6e05\u6d17\u6570\u636e<\/h4>\n<\/p>\n<p><p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5305\u542b\u6587\u672c\u6570\u636e\u7684DataFrame\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Pandas\u7684<code>apply<\/code>\u65b9\u6cd5\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u6e05\u6d17\u6570\u636e\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>import pandas as pd<\/p>\n<h2><strong>\u521b\u5efa\u793a\u4f8bDataFrame<\/strong><\/h2>\n<p>data = {&#39;text&#39;: [&#39;Hello, World! 123&#39;, &#39;Python is great!! 456&#39;]}<\/p>\n<p>df = pd.DataFrame(data)<\/p>\n<h2><strong>\u5b9a\u4e49\u6e05\u6d17\u51fd\u6570<\/strong><\/h2>\n<p>def clean_text(text):<\/p>\n<p>    return re.sub(r&#39;[^A-Za-z]&#39;, &#39;&#39;, text)<\/p>\n<h2><strong>\u5e94\u7528\u6e05\u6d17\u51fd\u6570<\/strong><\/h2>\n<p>df[&#39;cleaned_text&#39;] = df[&#39;text&#39;].apply(clean_text)<\/p>\n<p>print(df)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a<code>clean_text<\/code>\u51fd\u6570\u6765\u5220\u9664\u975e\u6587\u672c\u5b57\u7b26\uff0c\u5e76\u4f7f\u7528<code>apply<\/code>\u65b9\u6cd5\u5c06\u8be5\u51fd\u6570\u5e94\u7528\u5230DataFrame\u7684\u6bcf\u4e00\u884c\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u6279\u91cf\u6570\u636e\u6e05\u6d17\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u7ed3\u5408\u591a\u79cd\u65b9\u6cd5\u8fdb\u884c\u6570\u636e\u6e05\u6d17<\/h3>\n<\/p>\n<p><p>\u6709\u65f6\u5019\uff0c\u5355\u4e00\u7684\u65b9\u6cd5\u53ef\u80fd\u65e0\u6cd5\u6ee1\u8db3\u590d\u6742\u7684\u6570\u636e\u6e05\u6d17\u9700\u6c42\u3002\u6211\u4eec\u53ef\u4ee5\u7ed3\u5408\u591a\u79cd\u65b9\u6cd5\uff0c\u6784\u5efa\u4e00\u4e2a\u7efc\u5408\u7684\u6570\u636e\u6e05\u6d17\u65b9\u6848\u3002\u4f8b\u5982\uff0c\u5148\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5220\u9664\u975e\u6587\u672c\u5b57\u7b26\uff0c\u7136\u540e\u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5\u8fdb\u4e00\u6b65\u5904\u7406\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h4>1. \u7efc\u5408\u6e05\u6d17\u793a\u4f8b<\/h4>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>import pandas as pd<\/p>\n<h2><strong>\u521b\u5efa\u793a\u4f8bDataFrame<\/strong><\/h2>\n<p>data = {&#39;text&#39;: [&#39;Hello, World! 123&#39;, &#39;Python is great!! 456&#39;]}<\/p>\n<p>df = pd.DataFrame(data)<\/p>\n<h2><strong>\u5b9a\u4e49\u7efc\u5408\u6e05\u6d17\u51fd\u6570<\/strong><\/h2>\n<p>def comprehensive_clean(text):<\/p>\n<p>    # \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5220\u9664\u975e\u6587\u672c\u5b57\u7b26<\/p>\n<p>    text = re.sub(r&#39;[^A-Za-z\\s]&#39;, &#39;&#39;, text)<\/p>\n<p>    # \u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5\u8fdb\u4e00\u6b65\u5904\u7406<\/p>\n<p>    cleaned_text = &#39;&#39;.join([char for char in text if char.isalpha() or char.isspace()])<\/p>\n<p>    return cleaned_text<\/p>\n<h2><strong>\u5e94\u7528\u6e05\u6d17\u51fd\u6570<\/strong><\/h2>\n<p>df[&#39;cleaned_text&#39;] = df[&#39;text&#39;].apply(comprehensive_clean)<\/p>\n<p>print(df)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5148\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5220\u9664\u6240\u6709\u975e\u5b57\u6bcd\u548c\u7a7a\u683c\u5b57\u7b26\uff0c\u7136\u540e\u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5\u8fdb\u4e00\u6b65\u5904\u7406\uff0c\u786e\u4fdd\u53ea\u4fdd\u7559\u5b57\u6bcd\u548c\u7a7a\u683c\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u5904\u7406\u7279\u6b8a\u60c5\u51b5<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u6570\u636e\u6e05\u6d17\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u7279\u6b8a\u60c5\u51b5\uff0c\u4f8b\u5982\u9700\u8981\u4fdd\u7559\u67d0\u4e9b\u7279\u5b9a\u7684\u975e\u5b57\u6bcd\u5b57\u7b26\uff08\u5982\u6807\u70b9\u7b26\u53f7\uff09\uff0c\u6216\u8005\u9700\u8981\u5904\u7406\u591a\u8bed\u8a00\u6587\u672c\u3002\u4e0b\u9762\u6211\u4eec\u4ecb\u7ecd\u4e00\u4e9b\u5904\u7406\u8fd9\u4e9b\u7279\u6b8a\u60c5\u51b5\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><h4>1. \u4fdd\u7559\u7279\u5b9a\u7684\u975e\u5b57\u6bcd\u5b57\u7b26<\/h4>\n<\/p>\n<p><p>\u5982\u679c\u9700\u8981\u4fdd\u7559\u67d0\u4e9b\u7279\u5b9a\u7684\u975e\u5b57\u6bcd\u5b57\u7b26\uff08\u5982\u6807\u70b9\u7b26\u53f7\uff09\uff0c\u53ef\u4ee5\u5728\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u8fdb\u884c\u8c03\u6574\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">text = &quot;Hello, World! 123&quot;<\/p>\n<p>cleaned_text = re.sub(r&#39;[^A-Za-z,!.]&#39;, &#39;&#39;, text)<\/p>\n<p>print(cleaned_text)  # \u8f93\u51fa: Hello, World!<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5728\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u6dfb\u52a0\u4e86<code>,!<\/code>\uff0c\u8868\u793a\u4fdd\u7559\u9017\u53f7\u548c\u611f\u53f9\u53f7\u3002<\/p>\n<\/p>\n<p><h4>2. \u5904\u7406\u591a\u8bed\u8a00\u6587\u672c<\/h4>\n<\/p>\n<p><p>\u5982\u679c\u9700\u8981\u5904\u7406\u591a\u8bed\u8a00\u6587\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528Unicode\u5b57\u7b26\u96c6\u3002\u4f8b\u5982\uff0c\u5339\u914d\u6240\u6709\u5b57\u6bcd\u5b57\u7b26\uff08\u5305\u62ec\u975e\u62c9\u4e01\u5b57\u6bcd\uff09\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">text = &quot;Hello, \u4f60\u597d, \u041c\u0438\u0440! 123&quot;<\/p>\n<p>cleaned_text = re.sub(r&#39;[^\\w\\s]&#39;, &#39;&#39;, text, flags=re.UNICODE)<\/p>\n<p>print(cleaned_text)  # \u8f93\u51fa: Hello \u4f60\u597d \u041c\u0438\u0440 123<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c<code>\\w<\/code>\u8868\u793a\u5339\u914d\u6240\u6709\u5b57\u6bcd\u548c\u6570\u5b57\u5b57\u7b26\uff0c<code>\\s<\/code>\u8868\u793a\u5339\u914d\u7a7a\u767d\u5b57\u7b26\uff0c<code>flags=re.UNICODE<\/code>\u8868\u793a\u4f7f\u7528Unicode\u5b57\u7b26\u96c6\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u51e0\u79cd\u5728Python\u4e2d\u5220\u9664\u6570\u636e\u4e2d\u975e\u6587\u672c\u5b57\u7b26\u7684\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5229\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5\u3001\u7ed3\u5408Pandas\u5e93\u8fdb\u884c\u6570\u636e\u6e05\u6d17\uff0c\u4ee5\u53ca\u5904\u7406\u7279\u6b8a\u60c5\u51b5\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5730\u6e05\u6d17\u548c\u5904\u7406\u6587\u672c\u6570\u636e\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u9700\u6c42\u3002<\/p>\n<\/p>\n<p><p><strong>\u5173\u952e\u70b9\u603b\u7ed3<\/strong>\uff1a<\/p>\n<\/p>\n<ol>\n<li><strong>\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong>\u662f\u6700\u7075\u6d3b\u548c\u9ad8\u6548\u7684\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u6587\u672c\u6e05\u6d17\u573a\u666f\u3002<\/li>\n<li><strong>\u5229\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5<\/strong>\u7b80\u5355\u65b9\u4fbf\uff0c\u9002\u7528\u4e8e\u8f83\u7b80\u5355\u7684\u6587\u672c\u6e05\u6d17\u9700\u6c42\u3002<\/li>\n<li><strong>\u7ed3\u5408Pandas\u5e93<\/strong>\u53ef\u4ee5\u6279\u91cf\u5904\u7406\u6570\u636e\uff0c\u975e\u5e38\u9002\u5408\u6570\u636e\u5206\u6790\u548c\u6570\u636e\u6e05\u6d17\u3002<\/li>\n<li><strong>\u7efc\u5408\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5<\/strong>\u53ef\u4ee5\u5904\u7406\u590d\u6742\u7684\u6587\u672c\u6e05\u6d17\u9700\u6c42\u3002<\/li>\n<li><strong>\u5904\u7406\u7279\u6b8a\u60c5\u51b5<\/strong>\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u8c03\u6574\u6b63\u5219\u8868\u8fbe\u5f0f\u548c\u6e05\u6d17\u903b\u8f91\u3002<\/li>\n<\/ol>\n<p><p>\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u5904\u7406\u6587\u672c\u6570\u636e\uff0c\u63d0\u9ad8\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u7684\u8d28\u91cf\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5728\u4f7f\u7528Python\u5904\u7406\u6570\u636e\u65f6\uff0c\u5982\u4f55\u8bc6\u522b\u548c\u5220\u9664\u975e\u6587\u672c\u5b57\u7b26\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\uff08regex\uff09\u5e93\u6765\u8bc6\u522b\u975e\u6587\u672c\u5b57\u7b26\u3002\u901a\u8fc7<code>re<\/code>\u6a21\u5757\u4e2d\u7684<code>sub<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u5c06\u6240\u6709\u975e\u6587\u672c\u5b57\u7b26\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c<code>re.sub(r&#39;[^a-zA-Z0-9\\s]&#39;, &#39;&#39;, your_string)<\/code>\u5c06\u4f1a\u5220\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u975e\u5b57\u6bcd\u6570\u5b57\u548c\u7a7a\u683c\u5b57\u7b26\u3002<\/p>\n<p><strong>\u5728\u6570\u636e\u6e05\u6d17\u8fc7\u7a0b\u4e2d\uff0c\u5982\u4f55\u786e\u4fdd\u5220\u9664\u975e\u6587\u672c\u5b57\u7b26\u4e0d\u5f71\u54cd\u6709\u7528\u4fe1\u606f\uff1f<\/strong><br \/>\u5728\u8fdb\u884c\u6570\u636e\u6e05\u6d17\u65f6\uff0c\u5efa\u8bae\u5148\u5bf9\u6570\u636e\u8fdb\u884c\u5168\u9762\u5206\u6790\uff0c\u8bc6\u522b\u54ea\u4e9b\u5b57\u7b26\u53ef\u80fd\u662f\u6709\u7528\u7684\u3002\u53ef\u4ee5\u901a\u8fc7\u7edf\u8ba1\u9891\u7387\u3001\u53ef\u89c6\u5316\u6570\u636e\u7b49\u65b9\u5f0f\u6765\u786e\u5b9a\u975e\u6587\u672c\u5b57\u7b26\u7684\u5f71\u54cd\u7a0b\u5ea6\u3002\u786e\u4fdd\u5728\u5220\u9664\u975e\u6587\u672c\u5b57\u7b26\u524d\u5907\u4efd\u539f\u59cb\u6570\u636e\uff0c\u4ee5\u4fbf\u5728\u5fc5\u8981\u65f6\u6062\u590d\u3002<\/p>\n<p><strong>\u4f7f\u7528Pandas\u5e93\u5904\u7406\u6570\u636e\u65f6\uff0c\u6709\u4ec0\u4e48\u7b80\u5355\u7684\u65b9\u6cd5\u53ef\u4ee5\u5220\u9664\u975e\u6587\u672c\u6570\u636e\uff1f<\/strong><br \/>\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>str.replace()<\/code>\u65b9\u6cd5\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5220\u9664\u975e\u6587\u672c\u6570\u636e\u3002\u4f8b\u5982\uff0c<code>df[&#39;column_name&#39;] = df[&#39;column_name&#39;].str.replace(r&#39;[^a-zA-Z0-9\\s]&#39;, &#39;&#39;, regex=True)<\/code>\uff0c\u8fd9\u884c\u4ee3\u7801\u5c06\u4f1a\u6e05\u6d17\u6307\u5b9a\u5217\u4e2d\u7684\u975e\u6587\u672c\u5b57\u7b26\u3002\u786e\u4fdd\u5728\u5904\u7406\u6570\u636e\u524d\u7406\u89e3\u6570\u636e\u7c7b\u578b\u548c\u5185\u5bb9\uff0c\u4ee5\u514d\u8bef\u5220\u6709\u7528\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5220\u9664\u6570\u636e\u4e2d\u7684\u975e\u6587\u672c\u5b57\u7b26\u4e3b\u8981\u65b9\u6cd5\uff1a\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5229\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5\u3001\u7ed3\u5408Pandas\u5e93\u8fdb\u884c\u6570\u636e\u6e05\u6d17\u3002\u5176 [&hellip;]","protected":false},"author":3,"featured_media":1111710,"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\/1111703"}],"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=1111703"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1111703\/revisions"}],"predecessor-version":[{"id":1111713,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1111703\/revisions\/1111713"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1111710"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1111703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1111703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1111703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}