{"id":1044673,"date":"2024-12-31T13:16:38","date_gmt":"2024-12-31T05:16:38","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1044673.html"},"modified":"2024-12-31T13:16:41","modified_gmt":"2024-12-31T05:16:41","slug":"%e5%a6%82%e4%bd%95%e5%ad%a6python%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1044673.html","title":{"rendered":"\u5982\u4f55\u5b66python\u6b63\u5219\u8868\u8fbe\u5f0f"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/cee5a08c-6cbd-43f1-8912-20643e085e32.webp?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"\u5982\u4f55\u5b66python\u6b63\u5219\u8868\u8fbe\u5f0f\" \/><\/p>\n<p><p> <strong>\u5982\u4f55\u5b66Python\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong><\/p>\n<\/p>\n<p><p><strong>\u7406\u89e3\u57fa\u672c\u6982\u5ff5\u548c\u8bed\u6cd5\u3001\u7ec3\u4e60\u5e38\u7528\u6a21\u5f0f\u3001\u5e94\u7528\u4e8e\u5b9e\u9645\u9879\u76ee\u3001\u53c2\u8003\u6587\u6863\u548c\u8d44\u6e90\u3001\u53c2\u52a0\u5728\u7ebf\u8bfe\u7a0b\u548c\u793e\u533a\u8ba8\u8bba<\/strong>\u3002Python\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6587\u672c\u5904\u7406\u548c\u6570\u636e\u63d0\u53d6\u3002\u638c\u63e1\u5b83\u9700\u8981\u8010\u5fc3\u548c\u5b9e\u8df5\u3002<strong>\u7406\u89e3\u57fa\u672c\u6982\u5ff5\u548c\u8bed\u6cd5<\/strong>\u662f\u6700\u57fa\u7840\u7684\u4e00\u6b65\uff0c\u901a\u8fc7\u4e0d\u65ad\u7ec3\u4e60\u5e38\u7528\u6a21\u5f0f\uff0c\u9010\u6e10\u719f\u6089\u5404\u79cd\u5339\u914d\u89c4\u5219\u3002\u5e94\u7528\u4e8e\u5b9e\u9645\u9879\u76ee\u53ef\u4ee5\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u638c\u63e1\u8fd9\u4e9b\u6280\u80fd\u3002\u53c2\u8003\u5b98\u65b9\u6587\u6863\u548c\u5b66\u4e60\u8d44\u6e90\uff0c\u53c2\u52a0\u5728\u7ebf\u8bfe\u7a0b\u548c\u793e\u533a\u8ba8\u8bba\uff0c\u4e5f\u662f\u63d0\u9ad8\u7684\u6709\u6548\u9014\u5f84\u3002<\/p>\n<\/p>\n<p><p><strong>\u7406\u89e3\u57fa\u672c\u6982\u5ff5\u548c\u8bed\u6cd5<\/strong>\u662f\u5b66\u4e60\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u7b2c\u4e00\u6b65\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\uff08regular expression\uff0c\u7b80\u79f0 regex \u6216 regexp\uff09\u662f\u4e00\u79cd\u7528\u6765\u63cf\u8ff0\u6216\u5339\u914d\u5b57\u7b26\u4e32\u7684\u641c\u7d22\u6a21\u5f0f\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u67e5\u627e\u3001\u66ff\u6362\u548c\u62c6\u5206\u5b57\u7b26\u4e32\u3002Python\u4e2d\u63d0\u4f9b\u4e86 <code>re<\/code> \u6a21\u5757\u6765\u5904\u7406\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u901a\u8fc7\u638c\u63e1\u57fa\u672c\u6982\u5ff5\u548c\u8bed\u6cd5\uff0c\u4f60\u53ef\u4ee5\u7f16\u5199\u51fa\u9ad8\u6548\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4e00\u6b65\u6b65\u5b66\u4e60Python\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u7406\u89e3\u57fa\u672c\u6982\u5ff5\u548c\u8bed\u6cd5<\/h3>\n<\/p>\n<p><p>\u7406\u89e3\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u57fa\u672c\u6982\u5ff5\u548c\u8bed\u6cd5\u662f\u5b66\u4e60\u7684\u7b2c\u4e00\u6b65\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u63cf\u8ff0\u5b57\u7b26\u4e32\u6a21\u5f0f\u7684\u8bed\u8a00\uff0c\u53ef\u4ee5\u7528\u6765\u67e5\u627e\u548c\u64cd\u4f5c\u5b57\u7b26\u4e32\u3002Python\u4e2d\u7684 <code>re<\/code> \u6a21\u5757\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u51fd\u6570\u548c\u65b9\u6cd5\u6765\u5904\u7406\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n<p><h4>1.1 \u57fa\u672c\u5339\u914d\u89c4\u5219<\/h4>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u57fa\u672c\u5339\u914d\u89c4\u5219\u5305\u62ec\u5355\u4e2a\u5b57\u7b26\u3001\u5b57\u7b26\u96c6\u3001\u5b57\u7b26\u8303\u56f4\u3001\u6570\u91cf\u8bcd\u3001\u4f4d\u7f6e\u5339\u914d\u7b26\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u57fa\u672c\u5339\u914d\u89c4\u5219\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u5355\u4e2a\u5b57\u7b26<\/strong>\uff1a<code>.<\/code> \u53ef\u4ee5\u5339\u914d\u9664\u6362\u884c\u7b26\u5916\u7684\u4efb\u4f55\u5b57\u7b26\u3002<\/li>\n<li><strong>\u5b57\u7b26\u96c6<\/strong>\uff1a<code>[abc]<\/code> \u5339\u914d\u5b57\u7b26 &#39;a&#39;\u3001&#39;b&#39; \u6216 &#39;c&#39;\u3002<\/li>\n<li><strong>\u5b57\u7b26\u8303\u56f4<\/strong>\uff1a<code>[a-z]<\/code> \u5339\u914d\u4efb\u610f\u5c0f\u5199\u5b57\u6bcd\u3002<\/li>\n<li><strong>\u6570\u91cf\u8bcd<\/strong>\uff1a<code>*<\/code> \u8868\u793a\u5339\u914d0\u6b21\u6216\u591a\u6b21\uff0c<code>+<\/code> \u8868\u793a\u5339\u914d1\u6b21\u6216\u591a\u6b21\uff0c<code>?<\/code> \u8868\u793a\u5339\u914d0\u6b21\u62161\u6b21\uff0c<code>{n}<\/code> \u8868\u793a\u5339\u914dn\u6b21\uff0c<code>{n,}<\/code> \u8868\u793a\u5339\u914d\u81f3\u5c11n\u6b21\uff0c<code>{n,m}<\/code> \u8868\u793a\u5339\u914dn\u5230m\u6b21\u3002<\/li>\n<li><strong>\u4f4d\u7f6e\u5339\u914d\u7b26<\/strong>\uff1a<code>^<\/code> \u8868\u793a\u5339\u914d\u5b57\u7b26\u4e32\u7684\u5f00\u5934\uff0c<code>$<\/code> \u8868\u793a\u5339\u914d\u5b57\u7b26\u4e32\u7684\u7ed3\u5c3e\u3002<\/li>\n<\/ul>\n<p><h4>1.2 \u7279\u6b8a\u5b57\u7b26\u548c\u8f6c\u4e49<\/h4>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u6709\u4e00\u4e9b\u7279\u6b8a\u5b57\u7b26\u5177\u6709\u7279\u6b8a\u542b\u4e49\uff0c\u5982\u679c\u9700\u8981\u5339\u914d\u8fd9\u4e9b\u5b57\u7b26\u672c\u8eab\uff0c\u9700\u8981\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26 <code><\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<ul>\n<li><code>\\.<\/code> \u5339\u914d\u5b57\u7b26 &#39;.&#39;\u3002<\/li>\n<li><code>\\*<\/code> \u5339\u914d\u5b57\u7b26 &#39;*&#39;\u3002<\/li>\n<li><code>\\<\/code> \u5339\u914d\u5b57\u7b26 &#39;&#39;\u3002<\/li>\n<\/ul>\n<p><p>\u6b64\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u9884\u5b9a\u4e49\u7684\u5b57\u7b26\u7c7b\uff1a<\/p>\n<\/p>\n<ul>\n<li><code>\\d<\/code> \u5339\u914d\u4efb\u610f\u6570\u5b57\uff0c\u76f8\u5f53\u4e8e <code>[0-9]<\/code>\u3002<\/li>\n<li><code>\\w<\/code> \u5339\u914d\u4efb\u610f\u5b57\u6bcd\u3001\u6570\u5b57\u6216\u4e0b\u5212\u7ebf\uff0c\u76f8\u5f53\u4e8e <code>[a-zA-Z0-9_]<\/code>\u3002<\/li>\n<li><code>\\s<\/code> \u5339\u914d\u4efb\u610f\u7a7a\u767d\u5b57\u7b26\uff0c\u5305\u62ec\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u6362\u9875\u7b26\u7b49\u3002<\/li>\n<\/ul>\n<p><h3>\u4e8c\u3001\u7ec3\u4e60\u5e38\u7528\u6a21\u5f0f<\/h3>\n<\/p>\n<p><p>\u638c\u63e1\u57fa\u672c\u6982\u5ff5\u548c\u8bed\u6cd5\u540e\uff0c\u63a5\u4e0b\u6765\u5c31\u662f\u7ec3\u4e60\u5e38\u7528\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5f0f\u3002\u901a\u8fc7\u7ec3\u4e60\uff0c\u4f60\u53ef\u4ee5\u52a0\u6df1\u5bf9\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u7406\u89e3\uff0c\u5e76\u719f\u6089\u4e0d\u540c\u6a21\u5f0f\u7684\u4f7f\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n<p><h4>2.1 \u67e5\u627e\u6a21\u5f0f<\/h4>\n<\/p>\n<p><p>\u67e5\u627e\u6a21\u5f0f\u662f\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u57fa\u672c\u5e94\u7528\u4e4b\u4e00\uff0c\u7528\u4e8e\u5728\u5b57\u7b26\u4e32\u4e2d\u67e5\u627e\u5339\u914d\u7684\u5b50\u4e32\u3002Python\u4e2d\u53ef\u4ee5\u4f7f\u7528 <code>re.search<\/code> \u548c <code>re.findall<\/code> \u65b9\u6cd5\u6765\u5b9e\u73b0\u67e5\u627e\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<ul>\n<li><code>re.search(pattern, string)<\/code>\uff1a\u5728\u5b57\u7b26\u4e32\u4e2d\u641c\u7d22\u6a21\u5f0f\uff0c\u8fd4\u56de\u5339\u914d\u5bf9\u8c61\u3002<\/li>\n<li><code>re.findall(pattern, string)<\/code>\uff1a\u5728\u5b57\u7b26\u4e32\u4e2d\u67e5\u627e\u6240\u6709\u5339\u914d\u7684\u5b50\u4e32\uff0c\u8fd4\u56de\u5339\u914d\u5217\u8868\u3002<\/li>\n<\/ul>\n<p><p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>text = &quot;The quick brown fox jumps over the lazy dog.&quot;<\/p>\n<h2><strong>\u67e5\u627e\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u5355\u8bcd<\/strong><\/h2>\n<p>match = re.search(r&#39;\\b\\w+\\b&#39;, text)<\/p>\n<p>if match:<\/p>\n<p>    print(match.group())  # \u8f93\u51fa\uff1aThe<\/p>\n<h2><strong>\u67e5\u627e\u6240\u6709\u5339\u914d\u7684\u5355\u8bcd<\/strong><\/h2>\n<p>matches = re.findall(r&#39;\\b\\w+\\b&#39;, text)<\/p>\n<p>print(matches)  # \u8f93\u51fa\uff1a[&#39;The&#39;, &#39;quick&#39;, &#39;brown&#39;, &#39;fox&#39;, &#39;jumps&#39;, &#39;over&#39;, &#39;the&#39;, &#39;lazy&#39;, &#39;dog&#39;]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2.2 \u66ff\u6362\u6a21\u5f0f<\/h4>\n<\/p>\n<p><p>\u66ff\u6362\u6a21\u5f0f\u7528\u4e8e\u5c06\u5339\u914d\u7684\u5b50\u4e32\u66ff\u6362\u4e3a\u6307\u5b9a\u7684\u5b57\u7b26\u4e32\u3002Python\u4e2d\u53ef\u4ee5\u4f7f\u7528 <code>re.sub<\/code> \u65b9\u6cd5\u6765\u5b9e\u73b0\u66ff\u6362\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<ul>\n<li><code>re.sub(pattern, repl, string)<\/code>\uff1a\u5c06\u5b57\u7b26\u4e32\u4e2d\u5339\u914d\u7684\u5b50\u4e32\u66ff\u6362\u4e3a\u6307\u5b9a\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n<p><p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>text = &quot;The quick brown fox jumps over the lazy dog.&quot;<\/p>\n<h2><strong>\u5c06\u6240\u6709\u5355\u8bcd\u66ff\u6362\u4e3a &#39;animal&#39;<\/strong><\/h2>\n<p>result = re.sub(r&#39;\\b\\w+\\b&#39;, &#39;animal&#39;, text)<\/p>\n<p>print(result)  # \u8f93\u51fa\uff1aanimal animal animal animal animal animal animal animal animal<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2.3 \u62c6\u5206\u6a21\u5f0f<\/h4>\n<\/p>\n<p><p>\u62c6\u5206\u6a21\u5f0f\u7528\u4e8e\u6839\u636e\u6b63\u5219\u8868\u8fbe\u5f0f\u62c6\u5206\u5b57\u7b26\u4e32\u3002Python\u4e2d\u53ef\u4ee5\u4f7f\u7528 <code>re.split<\/code> \u65b9\u6cd5\u6765\u5b9e\u73b0\u62c6\u5206\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<ul>\n<li><code>re.split(pattern, string)<\/code>\uff1a\u6839\u636e\u6b63\u5219\u8868\u8fbe\u5f0f\u62c6\u5206\u5b57\u7b26\u4e32\uff0c\u8fd4\u56de\u62c6\u5206\u540e\u7684\u5217\u8868\u3002<\/li>\n<\/ul>\n<p><p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>text = &quot;The quick brown fox jumps over the lazy dog.&quot;<\/p>\n<h2><strong>\u6839\u636e\u7a7a\u683c\u62c6\u5206\u5b57\u7b26\u4e32<\/strong><\/h2>\n<p>result = re.split(r&#39;\\s+&#39;, text)<\/p>\n<p>print(result)  # \u8f93\u51fa\uff1a[&#39;The&#39;, &#39;quick&#39;, &#39;brown&#39;, &#39;fox&#39;, &#39;jumps&#39;, &#39;over&#39;, &#39;the&#39;, &#39;lazy&#39;, &#39;dog&#39;]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e09\u3001\u5e94\u7528\u4e8e\u5b9e\u9645\u9879\u76ee<\/h3>\n<\/p>\n<p><p>\u5c06\u6b63\u5219\u8868\u8fbe\u5f0f\u5e94\u7528\u4e8e\u5b9e\u9645\u9879\u76ee\u662f\u5b66\u4e60\u7684\u6709\u6548\u9014\u5f84\u3002\u901a\u8fc7\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u4f60\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u5176\u7528\u6cd5\uff0c\u5e76\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><h4>3.1 \u65e5\u5fd7\u6587\u4ef6\u5206\u6790<\/h4>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u5728\u65e5\u5fd7\u6587\u4ef6\u5206\u6790\u4e2d\u6709\u5e7f\u6cdb\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u63d0\u53d6\u65e5\u5fd7\u6587\u4ef6\u4e2d\u7684\u9519\u8bef\u4fe1\u606f\u3001\u7edf\u8ba1\u7279\u5b9a\u4e8b\u4ef6\u7684\u53d1\u751f\u6b21\u6570\u7b49\u3002<\/p>\n<\/p>\n<p><p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>log = &quot;&quot;&quot;<\/p>\n<p>2023-10-01 10:00:00 ERROR An error occurred<\/p>\n<p>2023-10-01 10:05:00 INFO Process started<\/p>\n<p>2023-10-01 10:10:00 ERROR Another error occurred<\/p>\n<p>&quot;&quot;&quot;<\/p>\n<h2><strong>\u63d0\u53d6\u6240\u6709\u9519\u8bef\u4fe1\u606f<\/strong><\/h2>\n<p>errors = re.findall(r&#39;ERROR .+&#39;, log)<\/p>\n<p>print(errors)  # \u8f93\u51fa\uff1a[&#39;ERROR An error occurred&#39;, &#39;ERROR Another error occurred&#39;]<\/p>\n<h2><strong>\u7edf\u8ba1\u9519\u8bef\u6b21\u6570<\/strong><\/h2>\n<p>error_count = len(errors)<\/p>\n<p>print(f&quot;Number of errors: {error_count}&quot;)  # \u8f93\u51fa\uff1aNumber of errors: 2<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3.2 \u6570\u636e\u6e05\u6d17<\/h4>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u5728\u6570\u636e\u6e05\u6d17\u4e2d\u4e5f\u6709\u91cd\u8981\u4f5c\u7528\u3002\u4f8b\u5982\uff0c\u6e05\u6d17\u6570\u636e\u4e2d\u7684\u566a\u58f0\u3001\u63d0\u53d6\u7279\u5b9a\u683c\u5f0f\u7684\u6570\u636e\u7b49\u3002<\/p>\n<\/p>\n<p><p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>data = &quot;&quot;&quot;<\/p>\n<p>Name: John Doe, Age: 28, Em<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>l: john.doe@example.com<\/p>\n<p>Name: Jane Smith, Age: 34, Email: jane.smith@example.com<\/p>\n<p>&quot;&quot;&quot;<\/p>\n<h2><strong>\u63d0\u53d6\u6240\u6709\u7535\u5b50\u90ae\u4ef6\u5730\u5740<\/strong><\/h2>\n<p>emails = re.findall(r&#39;\\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\\.[A-Z|a-z]{2,}\\b&#39;, data)<\/p>\n<p>print(emails)  # \u8f93\u51fa\uff1a[&#39;john.doe@example.com&#39;, &#39;jane.smith@example.com&#39;]<\/p>\n<h2><strong>\u6e05\u6d17\u6570\u636e\u4e2d\u7684\u566a\u58f0\uff08\u53bb\u9664\u975e\u5b57\u6bcd\u548c\u6570\u5b57\u5b57\u7b26\uff09<\/strong><\/h2>\n<p>cleaned_data = re.sub(r&#39;[^A-Za-z0-9\\s]&#39;, &#39;&#39;, data)<\/p>\n<p>print(cleaned_data)<\/p>\n<h2><strong>\u8f93\u51fa\uff1a<\/strong><\/h2>\n<h2><strong>Name John Doe Age 28 Email johndoeexamplecom<\/strong><\/h2>\n<h2><strong>Name Jane Smith Age 34 Email janesmithexamplecom<\/strong><\/h2>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u56db\u3001\u53c2\u8003\u6587\u6863\u548c\u8d44\u6e90<\/h3>\n<\/p>\n<p><p>\u53c2\u8003\u5b98\u65b9\u6587\u6863\u548c\u5b66\u4e60\u8d44\u6e90\u662f\u63d0\u9ad8\u6b63\u5219\u8868\u8fbe\u5f0f\u6280\u80fd\u7684\u91cd\u8981\u9014\u5f84\u3002Python\u7684 <code>re<\/code> \u6a21\u5757\u6587\u6863\u63d0\u4f9b\u4e86\u8be6\u7ec6\u7684\u51fd\u6570\u548c\u65b9\u6cd5\u8bf4\u660e\uff0c\u4ee5\u53ca\u5927\u91cf\u7684\u793a\u4f8b\u4ee3\u7801\u3002\u6b64\u5916\uff0c\u8fd8\u6709\u8bb8\u591a\u4f18\u8d28\u7684\u5b66\u4e60\u8d44\u6e90\u53ef\u4ee5\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u638c\u63e1\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n<p><h4>4.1 \u5b98\u65b9\u6587\u6863<\/h4>\n<\/p>\n<p><p>Python\u7684 <code>re<\/code> \u6a21\u5757\u6587\u6863\u662f\u5b66\u4e60\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u6743\u5a01\u53c2\u8003\uff0c\u5305\u542b\u4e86\u8be6\u7ec6\u7684\u51fd\u6570\u548c\u65b9\u6cd5\u8bf4\u660e\uff0c\u4ee5\u53ca\u5927\u91cf\u7684\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<\/p>\n<ul>\n<li>Python <code>re<\/code> \u6a21\u5757\u6587\u6863\uff1a<a href=\"https:\/\/docs.python.org\/3\/library\/re.html\">https:\/\/docs.python.org\/3\/library\/re.html<\/a><\/li>\n<\/ul>\n<p><h4>4.2 \u5b66\u4e60\u8d44\u6e90<\/h4>\n<\/p>\n<p><p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f18\u8d28\u7684\u5b66\u4e60\u8d44\u6e90\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u638c\u63e1\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u300a\u6b63\u5219\u8868\u8fbe\u5f0f\u5fc5\u77e5\u5fc5\u4f1a\u300b<\/strong>\uff1a\u8fd9\u672c\u4e66\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u57fa\u672c\u6982\u5ff5\u548c\u9ad8\u7ea7\u7528\u6cd5\uff0c\u9002\u5408\u521d\u5b66\u8005\u548c\u6709\u4e00\u5b9a\u57fa\u7840\u7684\u8bfb\u8005\u3002<\/li>\n<li><strong>RegexOne<\/strong>\uff1a\u4e00\u4e2a\u4ea4\u4e92\u5f0f\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5b66\u4e60\u7f51\u7ad9\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7ec3\u4e60\u9898\u548c\u8be6\u7ec6\u7684\u89e3\u91ca\uff0c\u9002\u5408\u521d\u5b66\u8005\u5feb\u901f\u5165\u95e8\u3002\u7f51\u5740\uff1a<a href=\"https:\/\/regexone.com\/\">https:\/\/regexone.com\/<\/a><\/li>\n<li><strong>Regex101<\/strong>\uff1a\u4e00\u4e2a\u5728\u7ebf\u6b63\u5219\u8868\u8fbe\u5f0f\u6d4b\u8bd5\u5de5\u5177\uff0c\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u8bed\u6cd5\uff0c\u63d0\u4f9b\u8be6\u7ec6\u7684\u5339\u914d\u7ed3\u679c\u548c\u89e3\u91ca\u3002\u7f51\u5740\uff1a<a href=\"https:\/\/regex101.com\/\">https:\/\/regex101.com\/<\/a><\/li>\n<\/ul>\n<p><h3>\u4e94\u3001\u53c2\u52a0\u5728\u7ebf\u8bfe\u7a0b\u548c\u793e\u533a\u8ba8\u8bba<\/h3>\n<\/p>\n<p><p>\u53c2\u52a0\u5728\u7ebf\u8bfe\u7a0b\u548c\u793e\u533a\u8ba8\u8bba\u662f\u63d0\u9ad8\u6b63\u5219\u8868\u8fbe\u5f0f\u6280\u80fd\u7684\u6709\u6548\u9014\u5f84\u3002\u901a\u8fc7\u7cfb\u7edf\u7684\u5b66\u4e60\u548c\u4e0e\u4ed6\u4eba\u7684\u4ea4\u6d41\uff0c\u4f60\u53ef\u4ee5\u66f4\u5feb\u5730\u638c\u63e1\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u7528\u6cd5\uff0c\u5e76\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><h4>5.1 \u5728\u7ebf\u8bfe\u7a0b<\/h4>\n<\/p>\n<p><p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f18\u8d28\u7684\u5728\u7ebf\u8bfe\u7a0b\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u7cfb\u7edf\u5730\u5b66\u4e60\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>Coursera<\/strong>\uff1aCoursera\u4e0a\u6709\u8bb8\u591a\u6b63\u5219\u8868\u8fbe\u5f0f\u76f8\u5173\u7684\u8bfe\u7a0b\uff0c\u6db5\u76d6\u4e86\u57fa\u7840\u77e5\u8bc6\u548c\u9ad8\u7ea7\u7528\u6cd5\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u8bfe\u7a0b\u3002<\/li>\n<li><strong>Udemy<\/strong>\uff1aUdemy\u4e0a\u4e5f\u6709\u8bb8\u591a\u6b63\u5219\u8868\u8fbe\u5f0f\u76f8\u5173\u7684\u8bfe\u7a0b\uff0c\u9002\u5408\u4e0d\u540c\u6c34\u5e73\u7684\u5b66\u4e60\u8005\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u8bfe\u7a0b\u3002<\/li>\n<\/ul>\n<p><h4>5.2 \u793e\u533a\u8ba8\u8bba<\/h4>\n<\/p>\n<p><p>\u53c2\u4e0e\u793e\u533a\u8ba8\u8bba\u662f\u89e3\u51b3\u95ee\u9898\u548c\u63d0\u5347\u6280\u80fd\u7684\u597d\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6d3b\u8dc3\u7684\u793e\u533a\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u4ea4\u6d41\u548c\u5b66\u4e60\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>Stack Overflow<\/strong>\uff1a\u8fd9\u662f\u4e00\u4e2a\u7f16\u7a0b\u95ee\u7b54\u793e\u533a\uff0c\u4f60\u53ef\u4ee5\u5728\u8fd9\u91cc\u63d0\u95ee\u548c\u56de\u7b54\u4e0e\u6b63\u5219\u8868\u8fbe\u5f0f\u76f8\u5173\u7684\u95ee\u9898\uff0c\u83b7\u53d6\u5e2e\u52a9\u548c\u7ecf\u9a8c\u3002<\/li>\n<li><strong>Reddit<\/strong>\uff1aReddit\u4e0a\u6709\u8bb8\u591a\u4e0e\u7f16\u7a0b\u76f8\u5173\u7684\u5b50\u7248\u5757\uff08\u5982 r\/learnpython\u3001r\/regex\uff09\uff0c\u4f60\u53ef\u4ee5\u5728\u8fd9\u91cc\u4e0e\u5176\u4ed6\u5b66\u4e60\u8005\u4ea4\u6d41\uff0c\u5206\u4eab\u7ecf\u9a8c\u548c\u8d44\u6e90\u3002<\/li>\n<li><strong>GitHub<\/strong>\uff1aGitHub\u4e0a\u6709\u8bb8\u591a\u6b63\u5219\u8868\u8fbe\u5f0f\u76f8\u5173\u7684\u5f00\u6e90\u9879\u76ee\u548c\u8d44\u6e90\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u9605\u8bfb\u4ee3\u7801\u548c\u53c2\u4e0e\u9879\u76ee\u6765\u63d0\u9ad8\u81ea\u5df1\u7684\u6280\u80fd\u3002<\/li>\n<\/ul>\n<p><p>\u901a\u8fc7\u7cfb\u7edf\u7684\u5b66\u4e60\u548c\u4e0d\u65ad\u7684\u7ec3\u4e60\uff0c\u4f60\u53ef\u4ee5\u638c\u63e1Python\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u57fa\u672c\u6982\u5ff5\u548c\u9ad8\u7ea7\u7528\u6cd5\uff0c\u5e76\u5c06\u5176\u5e94\u7528\u4e8e\u5b9e\u9645\u9879\u76ee\u4e2d\u3002\u53c2\u8003\u5b98\u65b9\u6587\u6863\u548c\u5b66\u4e60\u8d44\u6e90\uff0c\u53c2\u52a0\u5728\u7ebf\u8bfe\u7a0b\u548c\u793e\u533a\u8ba8\u8bba\uff0c\u5c06\u5e2e\u52a9\u4f60\u66f4\u5feb\u5730\u63d0\u5347\u6b63\u5219\u8868\u8fbe\u5f0f\u6280\u80fd\uff0c\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5b66\u4e60Python\u6b63\u5219\u8868\u8fbe\u5f0f\u9700\u8981\u54ea\u4e9b\u57fa\u7840\u77e5\u8bc6\uff1f<\/strong><br \/>\u5728\u5b66\u4e60Python\u6b63\u5219\u8868\u8fbe\u5f0f\u4e4b\u524d\uff0c\u638c\u63e1\u57fa\u672c\u7684Python\u8bed\u6cd5\u662f\u975e\u5e38\u6709\u5e2e\u52a9\u7684\u3002\u5efa\u8bae\u5b66\u4e60\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u5217\u8868\u3001\u5b57\u5178\u7b49\u57fa\u7840\u6570\u636e\u7ed3\u6784\u7684\u4f7f\u7528\u3002\u6b64\u5916\uff0c\u4e86\u89e3\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u57fa\u672c\u6982\u5ff5\u548c\u5e38\u7528\u7b26\u53f7\uff0c\u4f8b\u5982\u5b57\u7b26\u7c7b\u3001\u91cf\u8bcd\u3001\u5206\u7ec4\u7b49\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u66f4\u5feb\u5730\u7406\u89e3\u548c\u5e94\u7528\u3002<\/p>\n<p><strong>\u6709\u54ea\u4e9b\u63a8\u8350\u7684\u5b66\u4e60\u8d44\u6e90\u6765\u638c\u63e1Python\u6b63\u5219\u8868\u8fbe\u5f0f\uff1f<\/strong><br \/>\u6709\u8bb8\u591a\u5728\u7ebf\u6559\u7a0b\u548c\u4e66\u7c4d\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5b66\u4e60Python\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u7f51\u7ad9\u5982W3Schools\u548cReal Python\u63d0\u4f9b\u4e86\u8be6\u7ec6\u7684\u6559\u7a0b\u548c\u793a\u4f8b\u3002\u6b64\u5916\uff0c\u4e66\u7c4d\u5982\u300aPython\u6b63\u5219\u8868\u8fbe\u5f0f\u300b\u4e5f\u6df1\u5165\u63a2\u8ba8\u4e86\u8fd9\u4e00\u4e3b\u9898\u3002\u901a\u8fc7\u5b9e\u8df5\u9879\u76ee\u548c\u7ec3\u4e60\u9898\uff0c\u80fd\u591f\u5de9\u56fa\u4f60\u7684\u7406\u89e3\u548c\u6280\u80fd\u3002<\/p>\n<p><strong>\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0cPython\u6b63\u5219\u8868\u8fbe\u5f0f\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>Python\u6b63\u5219\u8868\u8fbe\u5f0f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6570\u636e\u6e05\u6d17\u3001\u6587\u672c\u5206\u6790\u548c\u7f51\u9875\u6293\u53d6\u7b49\u573a\u666f\u3002\u6bd4\u5982\uff0c\u53ef\u4ee5\u7528\u5b83\u6765\u63d0\u53d6\u7279\u5b9a\u683c\u5f0f\u7684\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u3001\u66ff\u6362\u7279\u5b9a\u7684\u5b57\u7b26\u4e32\u6a21\u5f0f\uff0c\u6216\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u7684\u683c\u5f0f\u3002\u6b64\u5916\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u5728\u65e5\u5fd7\u5206\u6790\u548c\u81ea\u52a8\u5316\u6d4b\u8bd5\u4e2d\u4e5f\u975e\u5e38\u6709\u7528\uff0c\u80fd\u591f\u6709\u6548\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5982\u4f55\u5b66Python\u6b63\u5219\u8868\u8fbe\u5f0f 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