{"id":986355,"date":"2024-12-27T07:44:12","date_gmt":"2024-12-26T23:44:12","guid":{"rendered":""},"modified":"2024-12-27T07:44:17","modified_gmt":"2024-12-26T23:44:17","slug":"python%e5%a6%82%e4%bd%95%e5%8c%b9%e9%85%8d%e5%85%a8%e5%ad%97%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/986355.html","title":{"rendered":"python\u5982\u4f55\u5339\u914d\u5168\u5b57\u7b26"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25063002\/39afd9c7-84c9-46cc-ba89-e06e10071912.webp\" alt=\"python\u5982\u4f55\u5339\u914d\u5168\u5b57\u7b26\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u5339\u914d\u5168\u5b57\u7b26\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5757\uff08re\u6a21\u5757\uff09\u6765\u5b9e\u73b0\u3002\u5168\u5b57\u7b26\u5339\u914d\u6307\u7684\u662f\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5b57\u7b26\uff0c\u5305\u62ec\u7279\u6b8a\u5b57\u7b26\u3001\u7a7a\u683c\u3001\u6362\u884c\u7b26\u7b49\u3002\u8981\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u7684\u901a\u914d\u7b26\u201c.\u201d\uff08\u70b9\u53f7\uff09\u548c\u4fee\u9970\u7b26\u201cre.DOTALL\u201d\u6765\u5b8c\u6210\u3002\u901a\u8fc7\u201c.\u201d\u53ef\u4ee5\u5339\u914d\u9664\u6362\u884c\u7b26\u4e4b\u5916\u7684\u4efb\u610f\u5b57\u7b26\uff0c\u800c\u7ed3\u5408\u201cre.DOTALL\u201d\u4fee\u9970\u7b26\u53ef\u4ee5\u4f7f\u5176\u5339\u914d\u5305\u62ec\u6362\u884c\u7b26\u5728\u5185\u7684\u6240\u6709\u5b57\u7b26\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u5728Python\u4e2d\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u7528\u4e8e\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u5339\u914d\uff0c\u8fd8\u53ef\u4ee5\u5904\u7406\u590d\u6742\u7684\u6587\u672c\u6a21\u5f0f\u3002\u4f7f\u7528\u201cre.DOTALL\u201d\u4fee\u9970\u7b26\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u6548\u7684\u65b9\u5f0f\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u201c.\u201d\u5b57\u7b26\u5339\u914d\u6362\u884c\u7b26\uff0c\u4ece\u800c\u5b9e\u73b0\u5168\u5b57\u7b26\u5339\u914d\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u5904\u7406\u591a\u884c\u6587\u672c\u6587\u4ef6\u6216\u590d\u6742\u7684\u5b57\u7b26\u4e32\u6a21\u5f0f\uff0c\u800c\u4e0d\u5fc5\u62c5\u5fc3\u5b57\u7b26\u9057\u6f0f\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001PYTHON \u6b63\u5219\u8868\u8fbe\u5f0f\u57fa\u7840<\/h3>\n<\/p>\n<p><p>Python\u4e2d\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u7531<code>re<\/code>\u6a21\u5757\u63d0\u4f9b\u652f\u6301\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u5b9a\u4e49\u6a21\u5f0f\u5e76\u5728\u5b57\u7b26\u4e32\u4e2d\u641c\u7d22\u8fd9\u4e9b\u6a21\u5f0f\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u6587\u672c\u5904\u7406\u4efb\u52a1\uff0c\u5305\u62ec\u9a8c\u8bc1\u5b57\u7b26\u4e32\u683c\u5f0f\u3001\u63d0\u53d6\u5b50\u5b57\u7b26\u4e32\u548c\u66ff\u6362\u6587\u672c\u7b49\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u57fa\u672c\u8bed\u6cd5<\/h4>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u57fa\u672c\u8bed\u6cd5\u5305\u62ec\u5b57\u7b26\u96c6\u3001\u91cf\u8bcd\u3001\u8fb9\u754c\u5339\u914d\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u5b57\u7b26\u96c6<\/strong>\uff1a\u7528\u4e8e\u5339\u914d\u4e00\u7ec4\u5b57\u7b26\u3002\u4f8b\u5982\uff0c<code>[a-z]<\/code>\u5339\u914d\u6240\u6709\u5c0f\u5199\u5b57\u6bcd\u3002<\/li>\n<li><strong>\u91cf\u8bcd<\/strong>\uff1a\u7528\u4e8e\u6307\u5b9a\u5339\u914d\u7684\u6570\u91cf\u3002\u4f8b\u5982\uff0c<code>*<\/code>\u5339\u914d\u96f6\u6b21\u6216\u591a\u6b21\uff0c<code>+<\/code>\u5339\u914d\u4e00\u6b21\u6216\u591a\u6b21\u3002<\/li>\n<li><strong>\u8fb9\u754c\u5339\u914d<\/strong>\uff1a\u7528\u4e8e\u5339\u914d\u5b57\u7b26\u4e32\u7684\u5f00\u59cb\u6216\u7ed3\u675f\u3002\u4f8b\u5982\uff0c<code>^<\/code>\u5339\u914d\u5b57\u7b26\u4e32\u7684\u5f00\u59cb\uff0c<code>$<\/code>\u5339\u914d\u5b57\u7b26\u4e32\u7684\u7ed3\u675f\u3002<\/li>\n<\/ul>\n<p><h4>2\u3001\u4f7f\u7528 <code>re<\/code> \u6a21\u5757<\/h4>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c<code>re<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u5305\u62ec\uff1a<\/p>\n<\/p>\n<ul>\n<li><code>re.match()<\/code>\uff1a\u4ece\u5b57\u7b26\u4e32\u7684\u8d77\u59cb\u4f4d\u7f6e\u8fdb\u884c\u5339\u914d\u3002<\/li>\n<li><code>re.search()<\/code>\uff1a\u5728\u6574\u4e2a\u5b57\u7b26\u4e32\u4e2d\u641c\u7d22\u6a21\u5f0f\u3002<\/li>\n<li><code>re.findall()<\/code>\uff1a\u8fd4\u56de\u6240\u6709\u5339\u914d\u7684\u5b50\u5b57\u7b26\u4e32\u3002<\/li>\n<li><code>re.sub()<\/code>\uff1a\u66ff\u6362\u5339\u914d\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n<p><h3>\u4e8c\u3001\u5b9e\u73b0\u5168\u5b57\u7b26\u5339\u914d<\/h3>\n<\/p>\n<p><p>\u5168\u5b57\u7b26\u5339\u914d\u7684\u5173\u952e\u5728\u4e8e\u7406\u89e3\u201c.\u201d\u548c\u201cre.DOTALL\u201d\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u201c.\u201d\u5339\u914d\u9664\u6362\u884c\u7b26\u4e4b\u5916\u7684\u4efb\u610f\u5b57\u7b26\uff0c\u4f46\u901a\u8fc7<code>re.DOTALL<\/code>\u4fee\u9970\u7b26\u53ef\u4ee5\u62d3\u5c55\u5176\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u201c.\u201d\u4e0e\u201cre.DOTALL\u201d\u7684\u7ec4\u5408\u4f7f\u7528<\/h4>\n<\/p>\n<p><p>\u8981\u5728Python\u4e2d\u5b9e\u73b0\u5168\u5b57\u7b26\u5339\u914d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>text = &quot;&quot;&quot;This is a sample text.<\/p>\n<p>It cont<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>ns multiple lines,<\/p>\n<p>and even special characters like @#$%.&quot;&quot;&quot;<\/p>\n<p>pattern = r&quot;.*&quot;  # \u4f7f\u7528&#39;.&#39;\u5339\u914d\u4efb\u610f\u5b57\u7b26<\/p>\n<p>matches = re.findall(pattern, text, re.DOTALL)  # \u4f7f\u7528re.DOTALL\u4fee\u9970\u7b26<\/p>\n<p>for match in matches:<\/p>\n<p>    print(match)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c<code>.*<\/code>\u6a21\u5f0f\u7528\u4e8e\u5339\u914d\u4efb\u610f\u6570\u91cf\u7684\u5b57\u7b26\uff0c\u800c<code>re.DOTALL<\/code>\u4fee\u9970\u7b26\u5219\u5141\u8bb8\u5b83\u5339\u914d\u5305\u62ec\u6362\u884c\u7b26\u5728\u5185\u7684\u6240\u6709\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u5e94\u7528\u573a\u666f<\/h4>\n<\/p>\n<p><p>\u5168\u5b57\u7b26\u5339\u914d\u53ef\u4ee5\u7528\u4e8e\u591a\u79cd\u573a\u666f\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u6587\u672c\u5206\u6790<\/strong>\uff1a\u5904\u7406\u5305\u542b\u591a\u884c\u6587\u672c\u7684\u6587\u6863\u3002<\/li>\n<li><strong>\u65e5\u5fd7\u5904\u7406<\/strong>\uff1a\u5206\u6790\u548c\u5904\u7406\u591a\u884c\u65e5\u5fd7\u6587\u4ef6\u3002<\/li>\n<li><strong>\u6570\u636e\u6e05\u6d17<\/strong>\uff1a\u4ece\u590d\u6742\u7684\u6587\u672c\u6570\u636e\u4e2d\u63d0\u53d6\u6709\u7528\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<p><h3>\u4e09\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u9ad8\u7ea7\u7279\u6027<\/h3>\n<\/p>\n<p><p>\u9664\u4e86\u57fa\u7840\u7684\u5b57\u7b26\u5339\u914d\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u8fd8\u63d0\u4f9b\u4e86\u8bb8\u591a\u9ad8\u7ea7\u7279\u6027\uff0c\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u5904\u7406\u590d\u6742\u7684\u6587\u672c\u6a21\u5f0f\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u975e\u8d2a\u5a6a\u5339\u914d<\/h4>\n<\/p>\n<p><p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u91cf\u8bcd\u662f\u8d2a\u5a6a\u7684\uff0c\u5373\u5b83\u4eec\u4f1a\u5339\u914d\u5c3d\u53ef\u80fd\u591a\u7684\u5b57\u7b26\u3002\u53ef\u4ee5\u4f7f\u7528\u201c?\u201d\u6765\u6307\u5b9a\u975e\u8d2a\u5a6a\u5339\u914d\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>text = &quot;abc123def456ghi&quot;<\/p>\n<p>pattern = r&quot;\\d+?&quot;  # \u975e\u8d2a\u5a6a\u5339\u914d\u6570\u5b57<\/p>\n<p>matches = re.findall(pattern, text)<\/p>\n<p>print(matches)  # \u8f93\u51fa [&#39;1&#39;, &#39;2&#39;, &#39;3&#39;, &#39;4&#39;, &#39;5&#39;, &#39;6&#39;]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2\u3001\u6355\u83b7\u7ec4<\/h4>\n<\/p>\n<p><p>\u6355\u83b7\u7ec4\u5141\u8bb8\u7528\u6237\u5728\u5339\u914d\u5b57\u7b26\u4e32\u7684\u540c\u65f6\u63d0\u53d6\u5b50\u5b57\u7b26\u4e32\u3002\u901a\u8fc7\u62ec\u53f7<code>()<\/code>\u53ef\u4ee5\u6307\u5b9a\u6355\u83b7\u7ec4\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>text = &quot;My email is example@example.com&quot;<\/p>\n<p>pattern = r&quot;(\\w+)@(\\w+\\.\\w+)&quot;<\/p>\n<p>match = re.search(pattern, text)<\/p>\n<p>if match:<\/p>\n<p>    user = match.group(1)<\/p>\n<p>    domain = match.group(2)<\/p>\n<p>    print(f&quot;User: {user}, Domain: {domain}&quot;)  # \u8f93\u51fa User: example, Domain: example.com<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3\u3001\u96f6\u5bbd\u65ad\u8a00<\/h4>\n<\/p>\n<p><p>\u96f6\u5bbd\u65ad\u8a00\u7528\u4e8e\u6307\u5b9a\u5fc5\u987b\u5339\u914d\u7684\u6761\u4ef6\uff0c\u4f46\u4e0d\u5305\u62ec\u5728\u6700\u7ec8\u5339\u914d\u7ed3\u679c\u4e2d\u3002\u5305\u62ec\u524d\u77bb\u65ad\u8a00\u548c\u540e\u987e\u65ad\u8a00\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>text = &quot;hello world&quot;<\/p>\n<p>pattern = r&quot;hello(?=\\sworld)&quot;  # \u524d\u77bb\u65ad\u8a00<\/p>\n<p>match = re.search(pattern, text)<\/p>\n<p>if match:<\/p>\n<p>    print(&quot;Pattern found!&quot;)  # \u8f93\u51fa Pattern found!<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u56db\u3001\u4f18\u5316\u6b63\u5219\u8868\u8fbe\u5f0f\u6027\u80fd<\/h3>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u867d\u7136\u5f3a\u5927\uff0c\u4f46\u5728\u5904\u7406\u5927\u6587\u672c\u6216\u590d\u6742\u6a21\u5f0f\u65f6\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f18\u5316\u5efa\u8bae\uff1a<\/p>\n<\/p>\n<p><h4>1\u3001\u9650\u5236\u5339\u914d\u8303\u56f4<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7\u7cbe\u786e\u6307\u5b9a\u6a21\u5f0f\uff0c\u53ef\u4ee5\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5339\u914d\u5c1d\u8bd5\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u5b57\u7b26\u96c6<code>[a-z]<\/code>\u800c\u4e0d\u662f<code>.<\/code>\u6765\u5339\u914d\u5b57\u6bcd\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u4f7f\u7528\u9884\u7f16\u8bd1\u6a21\u5f0f<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7<code>re.compile()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u9884\u7f16\u8bd1\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u4ece\u800c\u63d0\u9ad8\u5339\u914d\u6548\u7387\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>pattern = re.compile(r&quot;\\d{3}-\\d{2}-\\d{4}&quot;)<\/p>\n<p>matches = pattern.findall(&quot;123-45-6789 and 987-65-4321&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3\u3001\u907f\u514d\u56de\u6eaf<\/h4>\n<\/p>\n<p><p>\u590d\u6742\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u53ef\u80fd\u5bfc\u81f4\u5927\u91cf\u7684\u56de\u6eaf\uff0c\u5f71\u54cd\u6027\u80fd\u3002\u53ef\u4ee5\u901a\u8fc7\u4f18\u5316\u6a21\u5f0f\u7ed3\u6784\u6765\u51cf\u5c11\u56de\u6eaf\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h3>\n<\/p>\n<p><p>\u5728\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u65f6\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<\/p>\n<p><h4>1\u3001\u5339\u914d\u5931\u8d25<\/h4>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u5931\u8d25\u53ef\u80fd\u662f\u7531\u4e8e\u6a21\u5f0f\u9519\u8bef\u6216\u5b57\u7b26\u4e32\u683c\u5f0f\u4e0d\u7b26\u5408\u9884\u671f\u3002\u53ef\u4ee5\u901a\u8fc7\u8c03\u8bd5\u5de5\u5177\u6216\u5728\u7ebf\u6b63\u5219\u8868\u8fbe\u5f0f\u6d4b\u8bd5\u5668\u6765\u68c0\u67e5\u6a21\u5f0f\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u6027\u80fd\u95ee\u9898<\/h4>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u6027\u80fd\u95ee\u9898\u901a\u5e38\u4e0e\u590d\u6742\u6a21\u5f0f\u6216\u5927\u6587\u672c\u6709\u5173\u3002\u53ef\u4ee5\u901a\u8fc7\u4f18\u5316\u6a21\u5f0f\u6216\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5339\u914d\u5c1d\u8bd5\u6765\u89e3\u51b3\u3002<\/p>\n<\/p>\n<p><h4>3\u3001\u591a\u884c\u5339\u914d\u95ee\u9898<\/h4>\n<\/p>\n<p><p>\u5728\u5904\u7406\u591a\u884c\u6587\u672c\u65f6\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u53ef\u80fd\u65e0\u6cd5\u6b63\u786e\u5339\u914d\u6362\u884c\u7b26\u3002\u53ef\u4ee5\u4f7f\u7528<code>re.DOTALL<\/code>\u4fee\u9970\u7b26\u6765\u89e3\u51b3\u8be5\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u662fPython\u4e2d\u5904\u7406\u5b57\u7b26\u4e32\u548c\u6587\u672c\u7684\u5f3a\u5927\u5de5\u5177\u3002\u901a\u8fc7\u7406\u89e3\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u57fa\u672c\u8bed\u6cd5\u548c\u9ad8\u7ea7\u7279\u6027\uff0c\u7528\u6237\u53ef\u4ee5\u9ad8\u6548\u5730\u5b8c\u6210\u591a\u79cd\u6587\u672c\u5904\u7406\u4efb\u52a1\u3002\u5bf9\u4e8e\u5168\u5b57\u7b26\u5339\u914d\uff0c\u7ed3\u5408\u4f7f\u7528\u201c.\u201d\u548c\u201cre.DOTALL\u201d\u4fee\u9970\u7b26\u662f\u5b9e\u73b0\u8be5\u529f\u80fd\u7684\u5173\u952e\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u4f18\u5316\u6b63\u5219\u8868\u8fbe\u5f0f\u6027\u80fd\u548c\u89e3\u51b3\u5e38\u89c1\u95ee\u9898\uff0c\u7528\u6237\u53ef\u4ee5\u786e\u4fdd\u6b63\u5219\u8868\u8fbe\u5f0f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u9ad8\u6548\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u7279\u5b9a\u5b57\u7b26\u96c6\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>re<\/code>\u6a21\u5757\u6765\u8fdb\u884c\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u3002\u901a\u8fc7\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u96c6\uff0c\u53ef\u4ee5\u5339\u914d\u7279\u5b9a\u7684\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u4f7f\u7528<code>[abc]<\/code>\u53ef\u4ee5\u5339\u914d\u5b57\u7b26&#39;a&#39;\u3001&#39;b&#39;\u6216&#39;c&#39;\u3002\u5982\u679c\u60f3\u8981\u5339\u914d\u6240\u6709\u5b57\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528<code>.<\/code>\uff08\u70b9\uff09\uff0c\u5b83\u4ee3\u8868\u4efb\u610f\u5b57\u7b26\u3002\u7ed3\u5408<code>re.search()<\/code>\u6216<code>re.match()<\/code>\u7b49\u51fd\u6570\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7075\u6d3b\u7684\u5b57\u7b26\u5339\u914d\u3002<\/p>\n<p><strong>\u4f7f\u7528Python\u5339\u914d\u5b57\u7b26\u4e32\u65f6\uff0c\u5982\u4f55\u5904\u7406\u5927\u5c0f\u5199\u95ee\u9898\uff1f<\/strong><br \/>\u5728\u5339\u914d\u5b57\u7b26\u4e32\u65f6\uff0c\u5927\u5c0f\u5199\u53ef\u80fd\u4f1a\u5f71\u54cd\u5339\u914d\u7ed3\u679c\u3002\u4e3a\u4e86\u5ffd\u7565\u5927\u5c0f\u5199\uff0c\u53ef\u4ee5\u5728\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u65f6\u6dfb\u52a0<code>re.IGNORECASE<\/code>\u6807\u5fd7\u3002\u4f8b\u5982\uff1a<code>re.match(pattern, string, re.IGNORECASE)<\/code>\u3002\u8fd9\u6837\uff0c\u65e0\u8bba\u662f\u5927\u5199\u8fd8\u662f\u5c0f\u5199\u5b57\u6bcd\uff0c\u90fd\u80fd\u88ab\u6210\u529f\u5339\u914d\u3002<\/p>\n<p><strong>\u5982\u4f55\u4f18\u5316Python\u4e2d\u7684\u5b57\u7b26\u4e32\u5339\u914d\u6548\u7387\uff1f<\/strong><br \/>\u5b57\u7b26\u4e32\u5339\u914d\u7684\u6548\u7387\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8fdb\u884c\u4f18\u5316\u3002\u4e00\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u5c3d\u91cf\u51cf\u5c11\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u7684\u590d\u6742\u6027\uff0c\u4f8b\u5982\u907f\u514d\u4f7f\u7528\u8fc7\u591a\u7684\u91cf\u8bcd\u548c\u5206\u7ec4\u3002\u6b64\u5916\uff0c\u4f7f\u7528<code>re.compile()<\/code>\u63d0\u524d\u7f16\u8bd1\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5339\u914d\u901f\u5ea6\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u591a\u6b21\u5339\u914d\u540c\u4e00\u6a21\u5f0f\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u5339\u914d\u5168\u5b57\u7b26\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5757\uff08re\u6a21\u5757\uff09\u6765\u5b9e\u73b0\u3002\u5168\u5b57\u7b26\u5339\u914d\u6307\u7684\u662f\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5b57 [&hellip;]","protected":false},"author":3,"featured_media":986367,"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\/986355"}],"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=986355"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/986355\/revisions"}],"predecessor-version":[{"id":986370,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/986355\/revisions\/986370"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/986367"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=986355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=986355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=986355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}