{"id":1101984,"date":"2025-01-08T15:55:22","date_gmt":"2025-01-08T07:55:22","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1101984.html"},"modified":"2025-01-08T15:55:24","modified_gmt":"2025-01-08T07:55:24","slug":"python%e5%a6%82%e4%bd%95%e7%bb%9f%e8%ae%a1%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84%e6%95%b0%e5%ad%97%e4%b8%aa%e6%95%b0-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1101984.html","title":{"rendered":"python\u5982\u4f55\u7edf\u8ba1\u5b57\u7b26\u4e32\u7684\u6570\u5b57\u4e2a\u6570"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25064508\/3cab4161-3192-449c-971b-59f2e32b4599.webp\" alt=\"python\u5982\u4f55\u7edf\u8ba1\u5b57\u7b26\u4e32\u7684\u6570\u5b57\u4e2a\u6570\" \/><\/p>\n<p><p> <strong>Python\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u4e2a\u6570\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u5faa\u73af\u904d\u5386\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\u7b49\u65b9\u6cd5\u6765\u5b9e\u73b0\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u65b9\u6cd5\u6548\u7387\u8f83\u9ad8\uff0c\u4f7f\u7528\u5faa\u73af\u904d\u5386\u65b9\u6cd5\u8f83\u4e3a\u57fa\u7840\u4f46\u7075\u6d3b\uff0c\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u65b9\u6cd5\u9002\u5408\u590d\u6742\u5339\u914d\u3002<\/strong> \u5176\u4e2d\uff0c<strong>\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u65b9\u6cd5\u6548\u7387\u8f83\u9ad8<\/strong>\uff0c\u4ee5\u4e0b\u662f\u8be6\u7ec6\u63cf\u8ff0\uff1a<\/p>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u51fd\u6570\u548c\u5e93\u6765\u5e2e\u52a9\u6211\u4eec\u8f7b\u677e\u5730\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u4e2a\u6570\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>isnumeric()<\/code>\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u7528\u4e8e\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u53ea\u5305\u542b\u6570\u5b57\u5b57\u7b26\u3002\u901a\u8fc7\u904d\u5386\u5b57\u7b26\u4e32\u7684\u6bcf\u4e2a\u5b57\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6cd5\u6765\u5224\u65ad\u6bcf\u4e2a\u5b57\u7b26\u662f\u5426\u662f\u6570\u5b57\uff0c\u5e76\u7edf\u8ba1\u6570\u5b57\u7684\u4e2a\u6570\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\uff08regular expression\uff09\u4e5f\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5feb\u901f\u51c6\u786e\u5730\u5339\u914d\u548c\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><p>\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u51e0\u79cd\u65b9\u6cd5\uff0c\u5e76\u5c55\u793a\u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u7edf\u8ba1\u6570\u5b57\u4e2a\u6570<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528Python\u5185\u7f6e\u51fd\u6570\u662f\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u6570\u5b57\u4e2a\u6570\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u4e4b\u4e00\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def count_digits(s):<\/p>\n<p>    count = 0<\/p>\n<p>    for char in s:<\/p>\n<p>        if char.isdigit():<\/p>\n<p>            count += 1<\/p>\n<p>    return count<\/p>\n<h2><strong>\u793a\u4f8b\u5b57\u7b26\u4e32<\/strong><\/h2>\n<p>s = &quot;Hello 123, this is a test 456!&quot;<\/p>\n<h2><strong>\u8c03\u7528\u51fd\u6570\u5e76\u6253\u5370\u7ed3\u679c<\/strong><\/h2>\n<p>print(count_digits(s))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a<code>count_digits<\/code>\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u5b57\u7b26\u4e32\u4f5c\u4e3a\u53c2\u6570\u3002\u6211\u4eec\u4f7f\u7528\u4e00\u4e2a\u5faa\u73af\u904d\u5386\u5b57\u7b26\u4e32\u7684\u6bcf\u4e2a\u5b57\u7b26\uff0c\u5e76\u4f7f\u7528<code>isdigit()<\/code>\u65b9\u6cd5\u68c0\u67e5\u6bcf\u4e2a\u5b57\u7b26\u662f\u5426\u662f\u6570\u5b57\u3002\u5982\u679c\u662f\u6570\u5b57\uff0c\u6211\u4eec\u5c06\u8ba1\u6570\u5668\u52a01\u3002<\/p>\n<\/p>\n<p><p>\u8fd9\u4e2a\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u6613\u4e8e\u7406\u89e3\u548c\u5b9e\u73b0\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u5904\u7406\u9700\u6c42\u3002\u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u5b57\u7b26\u4e32\u5339\u914d\u9700\u6c42\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u7edf\u8ba1\u6570\u5b57\u4e2a\u6570<\/h3>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u5b57\u7b26\u4e32\u5339\u914d\u548c\u5904\u7406\u4efb\u52a1\u3002Python\u7684<code>re<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u5bf9\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u652f\u6301\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\uff0c\u5e76\u7edf\u8ba1\u6570\u5b57\u7684\u4e2a\u6570\u3002<\/p>\n<\/p>\n<p><p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u6570\u5b57\u4e2a\u6570\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>def count_digits(s):<\/p>\n<p>    # \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u6570\u5b57<\/p>\n<p>    digits = re.findall(r&#39;\\d&#39;, s)<\/p>\n<p>    # \u8fd4\u56de\u5339\u914d\u5230\u7684\u6570\u5b57\u4e2a\u6570<\/p>\n<p>    return len(digits)<\/p>\n<h2><strong>\u793a\u4f8b\u5b57\u7b26\u4e32<\/strong><\/h2>\n<p>s = &quot;Hello 123, this is a test 456!&quot;<\/p>\n<h2><strong>\u8c03\u7528\u51fd\u6570\u5e76\u6253\u5370\u7ed3\u679c<\/strong><\/h2>\n<p>print(count_digits(s))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>re.findall()<\/code>\u51fd\u6570\u6765\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u6570\u5b57\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5f0f<code>r&#39;\\d&#39;<\/code>\u7528\u4e8e\u5339\u914d\u5355\u4e2a\u6570\u5b57\u5b57\u7b26\u3002<code>re.findall()<\/code>\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u5305\u542b\u6240\u6709\u5339\u914d\u7684\u6570\u5b57\u5b57\u7b26\u3002\u6700\u540e\uff0c\u6211\u4eec\u8fd4\u56de\u5217\u8868\u7684\u957f\u5ea6\uff0c\u5373\u6570\u5b57\u7684\u4e2a\u6570\u3002<\/p>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u5f3a\u5927\u4e14\u7075\u6d3b\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u5b57\u7b26\u4e32\u5339\u914d\u9700\u6c42\u3002\u5c3d\u7ba1\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u8bed\u6cd5\u53ef\u80fd\u6709\u4e9b\u590d\u6742\uff0c\u4f46\u5b83\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u5404\u79cd\u573a\u666f\u4e2d\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528\u5faa\u73af\u904d\u5386\u7edf\u8ba1\u6570\u5b57\u4e2a\u6570<\/h3>\n<\/p>\n<p><p>\u5faa\u73af\u904d\u5386\u5b57\u7b26\u4e32\u5e76\u7edf\u8ba1\u6570\u5b57\u4e2a\u6570\u662f\u6700\u57fa\u7840\u7684\u65b9\u6cd5\u4e4b\u4e00\uff0c\u5c3d\u7ba1\u5b83\u53ef\u80fd\u4e0d\u5982\u524d\u4e24\u79cd\u65b9\u6cd5\u9ad8\u6548\uff0c\u4f46\u5b83\u975e\u5e38\u76f4\u89c2\u4e14\u7075\u6d3b\u3002\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u9700\u8981\u81ea\u5b9a\u4e49\u5b57\u7b26\u4e32\u7684\u5904\u7406\u903b\u8f91\u3002<\/p>\n<\/p>\n<p><p>\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def count_digits(s):<\/p>\n<p>    count = 0<\/p>\n<p>    for char in s:<\/p>\n<p>        if &#39;0&#39; &lt;= char &lt;= &#39;9&#39;:<\/p>\n<p>            count += 1<\/p>\n<p>    return count<\/p>\n<h2><strong>\u793a\u4f8b\u5b57\u7b26\u4e32<\/strong><\/h2>\n<p>s = &quot;Hello 123, this is a test 456!&quot;<\/p>\n<h2><strong>\u8c03\u7528\u51fd\u6570\u5e76\u6253\u5370\u7ed3\u679c<\/strong><\/h2>\n<p>print(count_digits(s))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e00\u4e2a\u5faa\u73af\u904d\u5386\u5b57\u7b26\u4e32\u7684\u6bcf\u4e2a\u5b57\u7b26\uff0c\u5e76\u68c0\u67e5\u5b57\u7b26\u662f\u5426\u5728&#39;0&#39;\u5230&#39;9&#39;\u7684\u8303\u56f4\u5185\u3002\u5982\u679c\u662f\uff0c\u6211\u4eec\u5c06\u8ba1\u6570\u5668\u52a01\u3002<\/p>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u7b80\u5355\u76f4\u89c2\uff0c\u9002\u7528\u4e8e\u521d\u5b66\u8005\u548c\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u5904\u7406\u9700\u6c42\u3002\u5c3d\u7ba1\u6548\u7387\u53ef\u80fd\u4e0d\u5982\u5185\u7f6e\u51fd\u6570\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u4f46\u5b83\u63d0\u4f9b\u4e86\u5f88\u9ad8\u7684\u7075\u6d3b\u6027\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u7edf\u8ba1\u6570\u5b57\u4e2a\u6570<\/h3>\n<\/p>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u5217\u8868\uff0c\u5e76\u4e14\u53ef\u4ee5\u4e0e\u5185\u7f6e\u51fd\u6570\u7ed3\u5408\u4f7f\u7528\u6765\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u4e2a\u6570\u3002\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u6613\u8bfb\u3002<\/p>\n<\/p>\n<p><p>\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def count_digits(s):<\/p>\n<p>    # \u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u7edf\u8ba1\u6570\u5b57\u4e2a\u6570<\/p>\n<p>    return len([char for char in s if char.isdigit()])<\/p>\n<h2><strong>\u793a\u4f8b\u5b57\u7b26\u4e32<\/strong><\/h2>\n<p>s = &quot;Hello 123, this is a test 456!&quot;<\/p>\n<h2><strong>\u8c03\u7528\u51fd\u6570\u5e76\u6253\u5370\u7ed3\u679c<\/strong><\/h2>\n<p>print(count_digits(s))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u6240\u6709\u6570\u5b57\u5b57\u7b26\u7684\u5217\u8868\u3002<code>char.isdigit()<\/code>\u65b9\u6cd5\u7528\u4e8e\u68c0\u67e5\u5b57\u7b26\u662f\u5426\u662f\u6570\u5b57\u3002\u6700\u540e\uff0c\u6211\u4eec\u8fd4\u56de\u5217\u8868\u7684\u957f\u5ea6\uff0c\u5373\u6570\u5b57\u7684\u4e2a\u6570\u3002<\/p>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u4ee3\u7801\u7b80\u6d01\u6613\u8bfb\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u5904\u7406\u9700\u6c42\u3002\u867d\u7136\u5b83\u7684\u6548\u7387\u53ef\u80fd\u4e0d\u5982\u5185\u7f6e\u51fd\u6570\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u4f46\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f18\u96c5\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u4e0a\u8ff0\u51e0\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u6570\u5b57\u4e2a\u6570\u7684\u591a\u79cd\u65b9\u5f0f\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u4f18\u7f3a\u70b9\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\uff1a<\/p>\n<\/p>\n<ol>\n<li><strong>\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u65b9\u6cd5\u6548\u7387\u8f83\u9ad8<\/strong>\uff1a\u9002\u7528\u4e8e\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u5904\u7406\u9700\u6c42\uff0c\u4ee3\u7801\u6613\u4e8e\u7406\u89e3\u548c\u5b9e\u73b0\u3002<\/li>\n<li><strong>\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u65b9\u6cd5\u9002\u5408\u590d\u6742\u5339\u914d<\/strong>\uff1a\u5f3a\u5927\u4e14\u7075\u6d3b\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u5b57\u7b26\u4e32\u5339\u914d\u9700\u6c42\uff0c\u5c3d\u7ba1\u8bed\u6cd5\u53ef\u80fd\u6709\u4e9b\u590d\u6742\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5faa\u73af\u904d\u5386\u65b9\u6cd5\u8f83\u4e3a\u57fa\u7840\u4f46\u7075\u6d3b<\/strong>\uff1a\u7b80\u5355\u76f4\u89c2\uff0c\u9002\u7528\u4e8e\u521d\u5b66\u8005\u548c\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u5904\u7406\u9700\u6c42\uff0c\u63d0\u4f9b\u5f88\u9ad8\u7684\u7075\u6d3b\u6027\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u65b9\u6cd5\u7b80\u6d01\u6613\u8bfb<\/strong>\uff1a\u4ee3\u7801\u7b80\u6d01\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u5904\u7406\u9700\u6c42\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f18\u96c5\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/li>\n<\/ol>\n<p><p>\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u4e2a\u6570\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6548\u7387\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u8bc6\u522b\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684<code>isdigit()<\/code>\u65b9\u6cd5\u6765\u5224\u65ad\u6bcf\u4e2a\u5b57\u7b26\u662f\u5426\u4e3a\u6570\u5b57\u3002\u901a\u8fc7\u904d\u5386\u5b57\u7b26\u4e32\uff0c\u60a8\u53ef\u4ee5\u7edf\u8ba1\u6240\u6709\u6570\u5b57\u5b57\u7b26\u7684\u6570\u91cf\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">def count_digits(s):\n    return sum(c.isdigit() for c in s)\n\nstring = &quot;abc123def456&quot;\ndigit_count = count_digits(string)\nprint(f&quot;\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u4e2a\u6570\u4e3a: {digit_count}&quot;)\n<\/code><\/pre>\n<p><strong>\u5728Python\u4e2d\uff0c\u6709\u54ea\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\uff1f<\/strong><br \/>\u9664\u4e86\u4f7f\u7528<code>isdigit()<\/code>\u65b9\u6cd5\uff0c\u8fd8\u53ef\u4ee5\u5229\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u3002Python\u7684<code>re<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5339\u914d\u529f\u80fd\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u7edf\u8ba1\u6570\u5b57\u7684\u4e2a\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-python\">import re\n\ndef count_digits_with_regex(s):\n    return len(re.findall(r&#39;\\d&#39;, s))\n\nstring = &quot;abc123def456&quot;\ndigit_count = count_digits_with_regex(string)\nprint(f&quot;\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u4e2a\u6570\u4e3a: {digit_count}&quot;)\n<\/code><\/pre>\n<p><strong>\u4e3a\u4ec0\u4e48\u8981\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u4e2a\u6570\uff1f<\/strong><br \/>\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u4e2a\u6570\u5728\u591a\u4e2a\u573a\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u6570\u636e\u9a8c\u8bc1\u3001\u6587\u672c\u5206\u6790\u6216\u6570\u636e\u6e05\u6d17\u3002\u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\uff0c\u4e86\u89e3\u6570\u5b57\u7684\u6570\u91cf\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5224\u65ad\u8f93\u5165\u7684\u6709\u6548\u6027\u3002\u6b64\u5916\uff0c\u5728\u5206\u6790\u6587\u672c\u6570\u636e\u65f6\uff0c\u6570\u5b57\u7684\u51fa\u73b0\u9891\u7387\u53ef\u4ee5\u63d0\u4f9b\u6709\u4ef7\u503c\u7684\u4fe1\u606f\uff0c\u5e2e\u52a9\u4f18\u5316\u6570\u636e\u5904\u7406\u6d41\u7a0b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u4e2a\u6570\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u5faa\u73af\u904d\u5386\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\u7b49\u65b9\u6cd5\u6765\u5b9e\u73b0\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u65b9\u6cd5\u6548\u7387 [&hellip;]","protected":false},"author":3,"featured_media":1101992,"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\/1101984"}],"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=1101984"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1101984\/revisions"}],"predecessor-version":[{"id":1101997,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1101984\/revisions\/1101997"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1101992"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1101984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1101984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1101984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}