{"id":1058802,"date":"2024-12-31T15:19:35","date_gmt":"2024-12-31T07:19:35","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1058802.html"},"modified":"2024-12-31T15:19:37","modified_gmt":"2024-12-31T07:19:37","slug":"python%e5%a6%82%e4%bd%95%e5%88%a0%e9%99%a4%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%b0%8f%e5%86%99%e5%ad%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1058802.html","title":{"rendered":"python\u5982\u4f55\u5220\u9664\u5b57\u7b26\u4e32\u5c0f\u5199\u5b57"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/388c82ea-e353-4e76-aca1-051f5f3cb115.webp?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"python\u5982\u4f55\u5220\u9664\u5b57\u7b26\u4e32\u5c0f\u5199\u5b57\" \/><\/p>\n<p><p> <strong>Python\u5220\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u5c0f\u5199\u5b57\u6bcd\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5217\u8868\u89e3\u6790\u3001\u5b57\u7b26\u4e32\u65b9\u6cd5\u7b49\u65b9\u5f0f<\/strong>\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u63cf\u8ff0\u548c\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><p>\u4e00\u3001<strong>\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong><\/p>\n<p>\u6b63\u5219\u8868\u8fbe\u5f0f\uff08Regular Expressions\uff09\u662f\u5904\u7406\u5b57\u7b26\u4e32\u65f6\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\u3002Python\u63d0\u4f9b\u4e86<code>re<\/code>\u6a21\u5757\u6765\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u6240\u6709\u5c0f\u5199\u5b57\u6bcd\u5e76\u5c06\u5176\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u5b9e\u73b0\u5220\u9664\u5c0f\u5199\u5b57\u6bcd\u7684\u76ee\u7684\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>def remove_lowercase_with_regex(s):<\/p>\n<p>    return re.sub(r&#39;[a-z]&#39;, &#39;&#39;, s)<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>input_str = &quot;HelloWorld123&quot;<\/p>\n<p>output_str = remove_lowercase_with_regex(input_str)<\/p>\n<p>print(output_str)  # \u8f93\u51fa\uff1aHWW123<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>re.sub<\/code>\u51fd\u6570\u7528\u4e8e\u66ff\u6362\u6240\u6709\u5339\u914d\u6b63\u5219\u8868\u8fbe\u5f0f<code>[a-z]<\/code>\u7684\u5c0f\u5199\u5b57\u6bcd\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u5220\u9664\u8fd9\u4e9b\u5b57\u6bcd\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001<strong>\u4f7f\u7528\u5217\u8868\u89e3\u6790<\/strong><\/p>\n<p>\u5217\u8868\u89e3\u6790\uff08List Comprehension\uff09\u662f\u4e00\u79cd\u7b80\u6d01\u800c\u4f18\u96c5\u7684\u65b9\u5f0f\u6765\u5904\u7406\u5217\u8868\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u89e3\u6790\u904d\u5386\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\uff0c\u5224\u65ad\u5b57\u7b26\u662f\u5426\u4e3a\u5c0f\u5199\u5b57\u6bcd\uff0c\u5982\u679c\u4e0d\u662f\u5219\u4fdd\u7559\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u62fc\u63a5\u6210\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def remove_lowercase_with_list_comprehension(s):<\/p>\n<p>    return &#39;&#39;.join([char for char in s if not char.islower()])<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>input_str = &quot;HelloWorld123&quot;<\/p>\n<p>output_str = remove_lowercase_with_list_comprehension(input_str)<\/p>\n<p>print(output_str)  # \u8f93\u51fa\uff1aHW123<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>char.islower()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5224\u65ad\u5b57\u7b26\u662f\u5426\u4e3a\u5c0f\u5199\u5b57\u6bcd\uff0c\u5982\u679c\u4e0d\u662f\u5219\u4fdd\u7559\uff0c\u6700\u540e\u4f7f\u7528<code>join<\/code>\u65b9\u6cd5\u5c06\u4fdd\u7559\u7684\u5b57\u7b26\u62fc\u63a5\u6210\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001<strong>\u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5<\/strong><\/p>\n<p>\u5b57\u7b26\u4e32\u65b9\u6cd5\u662fPython\u5185\u7f6e\u7684\u5904\u7406\u5b57\u7b26\u4e32\u7684\u51fd\u6570\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684<code>replace<\/code>\u65b9\u6cd5\u6765\u9010\u4e2a\u5220\u9664\u5c0f\u5199\u5b57\u6bcd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def remove_lowercase_with_str_methods(s):<\/p>\n<p>    for char in &#39;abcdefghijklmnopqrstuvwxyz&#39;:<\/p>\n<p>        s = s.replace(char, &#39;&#39;)<\/p>\n<p>    return s<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>input_str = &quot;HelloWorld123&quot;<\/p>\n<p>output_str = remove_lowercase_with_str_methods(input_str)<\/p>\n<p>print(output_str)  # \u8f93\u51fa\uff1aHW123<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u904d\u5386\u6240\u6709\u7684\u5c0f\u5199\u5b57\u6bcd\uff0c\u5bf9\u6bcf\u4e00\u4e2a\u5b57\u6bcd\u4f7f\u7528<code>replace<\/code>\u65b9\u6cd5\u5c06\u5176\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u5220\u9664\u8fd9\u4e9b\u5b57\u6bcd\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001<strong>\u4f7f\u7528\u8fc7\u6ee4\u5668<\/strong><\/p>\n<p>\u8fc7\u6ee4\u5668\uff08Filter\uff09\u662f\u4e00\u79cd\u51fd\u6570\u5f0f\u7f16\u7a0b\u98ce\u683c\u7684\u5de5\u5177\uff0c<code>filter<\/code>\u51fd\u6570\u7528\u4e8e\u8fc7\u6ee4\u6389\u4e0d\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>filter<\/code>\u51fd\u6570\u7ed3\u5408<code>str.islower<\/code>\u65b9\u6cd5\u6765\u5220\u9664\u5c0f\u5199\u5b57\u6bcd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def remove_lowercase_with_filter(s):<\/p>\n<p>    return &#39;&#39;.join(filter(lambda char: not char.islower(), s))<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>input_str = &quot;HelloWorld123&quot;<\/p>\n<p>output_str = remove_lowercase_with_filter(input_str)<\/p>\n<p>print(output_str)  # \u8f93\u51fa\uff1aHW123<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>filter<\/code>\u51fd\u6570\u7528\u4e8e\u8fc7\u6ee4\u6389\u6240\u6709\u5c0f\u5199\u5b57\u6bcd\uff0c<code>lambda<\/code>\u8868\u8fbe\u5f0f\u7528\u4e8e\u5224\u65ad\u5b57\u7b26\u662f\u5426\u4e3a\u5c0f\u5199\u5b57\u6bcd\uff0c\u5982\u679c\u4e0d\u662f\u5219\u4fdd\u7559\uff0c\u6700\u540e\u4f7f\u7528<code>join<\/code>\u65b9\u6cd5\u5c06\u4fdd\u7559\u7684\u5b57\u7b26\u62fc\u63a5\u6210\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001<strong>\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u7ed3\u5408compile<\/strong><\/p>\n<p>\u4e3a\u4e86\u63d0\u9ad8\u6548\u7387\uff0c\u53ef\u4ee5\u5728\u591a\u6b21\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u65f6\u5148\u7f16\u8bd1\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>def remove_lowercase_with_compiled_regex(s):<\/p>\n<p>    pattern = re.compile(r&#39;[a-z]&#39;)<\/p>\n<p>    return pattern.sub(&#39;&#39;, s)<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>input_str = &quot;HelloWorld123&quot;<\/p>\n<p>output_str = remove_lowercase_with_compiled_regex(input_str)<\/p>\n<p>print(output_str)  # \u8f93\u51fa\uff1aHWW123<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5148\u7f16\u8bd1\u6b63\u5219\u8868\u8fbe\u5f0f<code>[a-z]<\/code>\uff0c\u7136\u540e\u4f7f\u7528<code>sub<\/code>\u65b9\u6cd5\u5220\u9664\u6240\u6709\u5c0f\u5199\u5b57\u6bcd\u3002<\/p>\n<\/p>\n<p><p>\u516d\u3001<strong>\u4f7f\u7528\u9012\u5f52<\/strong><\/p>\n<p>\u9012\u5f52\uff08Recursion\uff09\u662f\u4e00\u79cd\u51fd\u6570\u8c03\u7528\u81ea\u8eab\u7684\u7f16\u7a0b\u6280\u5de7\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u9012\u5f52\u51fd\u6570\u6765\u5904\u7406\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\uff0c\u5224\u65ad\u5b57\u7b26\u662f\u5426\u4e3a\u5c0f\u5199\u5b57\u6bcd\uff0c\u5982\u679c\u4e0d\u662f\u5219\u4fdd\u7559\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def remove_lowercase_with_recursion(s):<\/p>\n<p>    if not s:<\/p>\n<p>        return &#39;&#39;<\/p>\n<p>    if s[0].islower():<\/p>\n<p>        return remove_lowercase_with_recursion(s[1:])<\/p>\n<p>    else:<\/p>\n<p>        return s[0] + remove_lowercase_with_recursion(s[1:])<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>input_str = &quot;HelloWorld123&quot;<\/p>\n<p>output_str = remove_lowercase_with_recursion(input_str)<\/p>\n<p>print(output_str)  # \u8f93\u51fa\uff1aHW123<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u9012\u5f52\u51fd\u6570\u5904\u7406\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\uff0c\u5224\u65ad\u5b57\u7b26\u662f\u5426\u4e3a\u5c0f\u5199\u5b57\u6bcd\uff0c\u5982\u679c\u4e0d\u662f\u5219\u4fdd\u7559\uff0c\u5e76\u901a\u8fc7\u9012\u5f52\u5904\u7406\u5269\u4f59\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><p>\u4e03\u3001<strong>\u4f7f\u7528\u751f\u6210\u5668<\/strong><\/p>\n<p>\u751f\u6210\u5668\uff08Generator\uff09\u662f\u4e00\u79cd\u8fed\u4ee3\u5668\uff0c\u4f7f\u7528<code>yield<\/code>\u5173\u952e\u5b57\u751f\u6210\u503c\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570\u6765\u5904\u7406\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\uff0c\u5224\u65ad\u5b57\u7b26\u662f\u5426\u4e3a\u5c0f\u5199\u5b57\u6bcd\uff0c\u5982\u679c\u4e0d\u662f\u5219\u751f\u6210\u503c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def remove_lowercase_with_generator(s):<\/p>\n<p>    def char_generator(s):<\/p>\n<p>        for char in s:<\/p>\n<p>            if not char.islower():<\/p>\n<p>                yield char<\/p>\n<p>    return &#39;&#39;.join(char_generator(s))<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>input_str = &quot;HelloWorld123&quot;<\/p>\n<p>output_str = remove_lowercase_with_generator(input_str)<\/p>\n<p>print(output_str)  # \u8f93\u51fa\uff1aHW123<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u751f\u6210\u5668\u51fd\u6570\u5904\u7406\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\uff0c\u5224\u65ad\u5b57\u7b26\u662f\u5426\u4e3a\u5c0f\u5199\u5b57\u6bcd\uff0c\u5982\u679c\u4e0d\u662f\u5219\u751f\u6210\u503c\uff0c\u6700\u540e\u4f7f\u7528<code>join<\/code>\u65b9\u6cd5\u5c06\u751f\u6210\u7684\u503c\u62fc\u63a5\u6210\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><p>\u516b\u3001<strong>\u4f7f\u7528map<\/strong><\/p>\n<p><code>map<\/code>\u51fd\u6570\u662fPython\u5185\u7f6e\u7684\u4e00\u4e2a\u9ad8\u9636\u51fd\u6570\uff0c\u5b83\u63a5\u6536\u4e00\u4e2a\u51fd\u6570\u548c\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\uff0c\u5c06\u4f20\u5165\u7684\u51fd\u6570\u4f9d\u6b21\u4f5c\u7528\u5230\u6bcf\u4e2a\u5143\u7d20\u4e0a\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u8fed\u4ee3\u5668\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def remove_lowercase_with_map(s):<\/p>\n<p>    return &#39;&#39;.join(map(lambda char: char if not char.islower() else &#39;&#39;, s))<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>input_str = &quot;HelloWorld123&quot;<\/p>\n<p>output_str = remove_lowercase_with_map(input_str)<\/p>\n<p>print(output_str)  # \u8f93\u51fa\uff1aHW123<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>map<\/code>\u51fd\u6570\u904d\u5386\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\uff0c\u5224\u65ad\u5b57\u7b26\u662f\u5426\u4e3a\u5c0f\u5199\u5b57\u6bcd\uff0c\u5982\u679c\u4e0d\u662f\u5219\u4fdd\u7559\uff0c\u6700\u540e\u4f7f\u7528<code>join<\/code>\u65b9\u6cd5\u5c06\u4fdd\u7559\u7684\u5b57\u7b26\u62fc\u63a5\u6210\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><p>\u4e5d\u3001<strong>\u4f7f\u7528\u96c6\u5408<\/strong><\/p>\n<p>\u96c6\u5408\uff08Set\uff09\u662f\u4e00\u79cd\u65e0\u5e8f\u4e0d\u91cd\u590d\u7684\u5143\u7d20\u96c6\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u6240\u6709\u5c0f\u5199\u5b57\u6bcd\u5b58\u50a8\u5728\u4e00\u4e2a\u96c6\u5408\u4e2d\uff0c\u7136\u540e\u904d\u5386\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\uff0c\u5224\u65ad\u5b57\u7b26\u662f\u5426\u5728\u96c6\u5408\u4e2d\uff0c\u5982\u679c\u4e0d\u5728\u5219\u4fdd\u7559\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def remove_lowercase_with_set(s):<\/p>\n<p>    lower_set = set(&#39;abcdefghijklmnopqrstuvwxyz&#39;)<\/p>\n<p>    return &#39;&#39;.join([char for char in s if char not in lower_set])<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>input_str = &quot;HelloWorld123&quot;<\/p>\n<p>output_str = remove_lowercase_with_set(input_str)<\/p>\n<p>print(output_str)  # \u8f93\u51fa\uff1aHW123<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u6240\u6709\u5c0f\u5199\u5b57\u6bcd\u5b58\u50a8\u5728\u4e00\u4e2a\u96c6\u5408\u4e2d\uff0c\u904d\u5386\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\uff0c\u5224\u65ad\u5b57\u7b26\u662f\u5426\u5728\u96c6\u5408\u4e2d\uff0c\u5982\u679c\u4e0d\u5728\u5219\u4fdd\u7559\uff0c\u6700\u540e\u4f7f\u7528<code>join<\/code>\u65b9\u6cd5\u5c06\u4fdd\u7559\u7684\u5b57\u7b26\u62fc\u63a5\u6210\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><p>\u5341\u3001<strong>\u4f7f\u7528\u5b57\u5178<\/strong><\/p>\n<p>\u5b57\u5178\uff08Dictionary\uff09\u662f\u4e00\u79cd\u952e\u503c\u5bf9\u7684\u6570\u636e\u7ed3\u6784\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u6240\u6709\u5c0f\u5199\u5b57\u6bcd\u5b58\u50a8\u5728\u4e00\u4e2a\u5b57\u5178\u4e2d\uff0c\u7136\u540e\u904d\u5386\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\uff0c\u5224\u65ad\u5b57\u7b26\u662f\u5426\u5728\u5b57\u5178\u4e2d\uff0c\u5982\u679c\u4e0d\u5728\u5219\u4fdd\u7559\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def remove_lowercase_with_dict(s):<\/p>\n<p>    lower_dict = {char: None for char in &#39;abcdefghijklmnopqrstuvwxyz&#39;}<\/p>\n<p>    return &#39;&#39;.join([char for char in s if char not in lower_dict])<\/p>\n<h2><strong>\u793a\u4f8b<\/strong><\/h2>\n<p>input_str = &quot;HelloWorld123&quot;<\/p>\n<p>output_str = remove_lowercase_with_dict(input_str)<\/p>\n<p>print(output_str)  # \u8f93\u51fa\uff1aHW123<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u6240\u6709\u5c0f\u5199\u5b57\u6bcd\u5b58\u50a8\u5728\u4e00\u4e2a\u5b57\u5178\u4e2d\uff0c\u904d\u5386\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\uff0c\u5224\u65ad\u5b57\u7b26\u662f\u5426\u5728\u5b57\u5178\u4e2d\uff0c\u5982\u679c\u4e0d\u5728\u5219\u4fdd\u7559\uff0c\u6700\u540e\u4f7f\u7528<code>join<\/code>\u65b9\u6cd5\u5c06\u4fdd\u7559\u7684\u5b57\u7b26\u62fc\u63a5\u6210\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u591a\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u6709\u6548\u5730\u5220\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u5c0f\u5199\u5b57\u6bcd\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u72ec\u7279\u7684\u4f18\u70b9\u548c\u9002\u7528\u573a\u666f\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002\u65e0\u8bba\u662f\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5217\u8868\u89e3\u6790\u3001\u5b57\u7b26\u4e32\u65b9\u6cd5\u3001\u8fc7\u6ee4\u5668\u3001\u9012\u5f52\u3001\u751f\u6210\u5668\u3001map\u51fd\u6570\u3001\u96c6\u5408\u8fd8\u662f\u5b57\u5178\uff0c\u90fd\u80fd\u5e2e\u52a9\u6211\u4eec\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u3002\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\uff0c\u4e0d\u4ec5\u80fd\u63d0\u9ad8\u6211\u4eec\u7684\u7f16\u7a0b\u6548\u7387\uff0c\u8fd8\u80fd\u589e\u5f3a\u6211\u4eec\u5bf9\u5b57\u7b26\u4e32\u5904\u7406\u7684\u7406\u89e3\u548c\u5e94\u7528\u80fd\u529b\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5220\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u5c0f\u5199\u5b57\u6bcd\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684\u751f\u6210\u8868\u8fbe\u5f0f\u7ed3\u5408<code>join<\/code>\u65b9\u6cd5\u6765\u5220\u9664\u5c0f\u5199\u5b57\u6bcd\u3002\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">original_string = &quot;Hello World!&quot;\nresult_string = &#39;&#39;.join(char for char in original_string if not char.islower())\nprint(result_string)  # \u8f93\u51fa: &quot;H W!&quot;\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u793a\u4f8b\u4f1a\u904d\u5386\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\uff0c\u5982\u679c\u8be5\u5b57\u7b26\u4e0d\u662f\u5c0f\u5199\u5b57\u6bcd\uff0c\u5c31\u5c06\u5176\u52a0\u5165\u5230\u7ed3\u679c\u5b57\u7b26\u4e32\u4e2d\u3002<\/p>\n<p><strong>\u6709\u6ca1\u6709\u5185\u7f6e\u51fd\u6570\u53ef\u4ee5\u76f4\u63a5\u5220\u9664\u5c0f\u5199\u5b57\u6bcd\uff1f<\/strong><br \/>Python\u672c\u8eab\u5e76\u6ca1\u6709\u4e13\u95e8\u7528\u4e8e\u5220\u9664\u5c0f\u5199\u5b57\u6bcd\u7684\u5185\u7f6e\u51fd\u6570\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002\u4f7f\u7528<code>re<\/code>\u6a21\u5757\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5220\u9664\u5c0f\u5199\u5b57\u6bcd\uff1a  <\/p>\n<pre><code class=\"language-python\">import re\noriginal_string = &quot;Hello World!&quot;\nresult_string = re.sub(r&#39;[a-z]&#39;, &#39;&#39;, original_string)\nprint(result_string)  # \u8f93\u51fa: &quot;H W!&quot;\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5feb\u901f\u5904\u7406\u66f4\u590d\u6742\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p><strong>\u5728\u5904\u7406\u5b57\u7b26\u4e32\u65f6\uff0c\u5982\u4f55\u540c\u65f6\u5220\u9664\u5c0f\u5199\u5b57\u6bcd\u548c\u5176\u4ed6\u7279\u5b9a\u5b57\u7b26\uff1f<\/strong><br \/>\u53ef\u4ee5\u901a\u8fc7\u7ed3\u5408\u591a\u4e2a\u6761\u4ef6\u6765\u5220\u9664\u5c0f\u5199\u5b57\u6bcd\u548c\u7279\u5b9a\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60f3\u5220\u9664\u5c0f\u5199\u5b57\u6bcd\u548c\u7a7a\u683c\uff0c\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a  <\/p>\n<pre><code class=\"language-python\">original_string = &quot;Hello World!&quot;\nresult_string = &#39;&#39;.join(char for char in original_string if not (char.islower() or char.isspace()))\nprint(result_string)  # \u8f93\u51fa: &quot;HW!&quot;\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u63a7\u5236\u8981\u5220\u9664\u7684\u5b57\u7b26\u7c7b\u578b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5220\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u5c0f\u5199\u5b57\u6bcd\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5217\u8868\u89e3\u6790\u3001\u5b57\u7b26\u4e32\u65b9\u6cd5\u7b49\u65b9\u5f0f\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u63cf\u8ff0\u548c\u793a\u4f8b\u4ee3\u7801 [&hellip;]","protected":false},"author":3,"featured_media":1058804,"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\/1058802"}],"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=1058802"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1058802\/revisions"}],"predecessor-version":[{"id":1058806,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1058802\/revisions\/1058806"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1058804"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1058802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1058802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1058802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}