{"id":1112251,"date":"2025-01-08T17:36:44","date_gmt":"2025-01-08T09:36:44","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1112251.html"},"modified":"2025-01-08T17:36:47","modified_gmt":"2025-01-08T09:36:47","slug":"python%e5%a6%82%e4%bd%95%e8%8b%b1%e6%96%87%e5%ad%97%e6%af%8d%e9%b2%81%e6%a3%92","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1112251.html","title":{"rendered":"python\u5982\u4f55\u82f1\u6587\u5b57\u6bcd\u9c81\u68d2"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25074350\/a8415bd3-9d6b-4bc3-82ea-6e403ff7b39b.webp\" alt=\"python\u5982\u4f55\u82f1\u6587\u5b57\u6bcd\u9c81\u68d2\" \/><\/p>\n<p><p> \u5f00\u5934\u6bb5\u843d:<\/p>\n<p><strong>\u8981\u4f7fPython\u4ee3\u7801\u5bf9\u82f1\u6587\u5b57\u6bcd\u5904\u7406\u66f4\u9c81\u68d2\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5b57\u7b26\u4e32\u65b9\u6cd5\u3001\u5b57\u5178\u6620\u5c04\u3001\u5b57\u7b26\u7f16\u7801\u68c0\u6d4b<\/strong>\u3002\u5176\u4e2d\uff0c\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u6548\u7684\u65b9\u6cd5\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8bc6\u522b\u548c\u5904\u7406\u5404\u79cd\u590d\u6742\u7684\u5b57\u7b26\u4e32\u6a21\u5f0f\uff0c\u4ece\u800c\u4f7f\u4ee3\u7801\u66f4\u5177\u9c81\u68d2\u6027\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u9a8c\u8bc1\u8f93\u5165\u662f\u5426\u4ec5\u5305\u542b\u82f1\u6587\u5b57\u6bcd\uff0c\u6216\u8005\u63d0\u53d6\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u82f1\u6587\u5b57\u6bcd\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u9ad8\u6548\uff0c\u800c\u4e14\u6613\u4e8e\u7ef4\u62a4\u548c\u6269\u5c55\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u6b63\u5219\u8868\u8fbe\u5f0f<\/p>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\uff08Regular Expressions\uff0c\u7b80\u79f0regex\uff09\u662f\u5904\u7406\u5b57\u7b26\u4e32\u7684\u5f3a\u5927\u5de5\u5177\u3002\u5b83\u5141\u8bb8\u6211\u4eec\u5b9a\u4e49\u590d\u6742\u7684\u5b57\u7b26\u4e32\u6a21\u5f0f\uff0c\u5e76\u4f7f\u7528\u8fd9\u4e9b\u6a21\u5f0f\u8fdb\u884c\u5339\u914d\u3001\u67e5\u627e\u548c\u66ff\u6362\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><h3>1. \u9a8c\u8bc1\u8f93\u5165\u662f\u5426\u4ec5\u5305\u542b\u82f1\u6587\u5b57\u6bcd<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u8f7b\u677e\u9a8c\u8bc1\u8f93\u5165\u5b57\u7b26\u4e32\u662f\u5426\u4ec5\u5305\u542b\u82f1\u6587\u5b57\u6bcd\uff08\u4e0d\u533a\u5206\u5927\u5c0f\u5199\uff09\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>def is_alpha(input_str):<\/p>\n<p>    pattern = re.compile(r&#39;^[A-Za-z]+$&#39;)<\/p>\n<p>    return bool(pattern.match(input_str))<\/p>\n<h2><strong>\u6d4b\u8bd5<\/strong><\/h2>\n<p>print(is_alpha(&quot;Hello&quot;))  # True<\/p>\n<p>print(is_alpha(&quot;Hello123&quot;))  # False<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>^[A-Za-z]+$<\/code>\u6a21\u5f0f\u8868\u793a\u5b57\u7b26\u4e32\u5fc5\u987b\u4ece\u5934\u5230\u5c3e\u53ea\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a\u82f1\u6587\u5b57\u6bcd\u3002<\/p>\n<\/p>\n<p><h3>2. \u63d0\u53d6\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u82f1\u6587\u5b57\u6bcd<\/h3>\n<\/p>\n<p><p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u53d6\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u82f1\u6587\u5b57\u6bcd\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>def extract_alpha(input_str):<\/p>\n<p>    pattern = re.compile(r&#39;[A-Za-z]+&#39;)<\/p>\n<p>    return pattern.findall(input_str)<\/p>\n<h2><strong>\u6d4b\u8bd5<\/strong><\/h2>\n<p>print(extract_alpha(&quot;Hello123 World!&quot;))  # [&#39;Hello&#39;, &#39;World&#39;]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>[A-Za-z]+<\/code>\u6a21\u5f0f\u5339\u914d\u4e00\u4e2a\u6216\u591a\u4e2a\u8fde\u7eed\u7684\u82f1\u6587\u5b57\u6bcd\uff0c\u5e76\u4f7f\u7528<code>findall<\/code>\u65b9\u6cd5\u63d0\u53d6\u6240\u6709\u5339\u914d\u9879\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u5b57\u7b26\u4e32\u65b9\u6cd5<\/p>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u7684\u5b57\u7b26\u4e32\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5904\u7406\u82f1\u6587\u5b57\u6bcd\u3002\u8fd9\u4e9b\u65b9\u6cd5\u7b80\u5355\u6613\u7528\uff0c\u9002\u5408\u5904\u7406\u4e00\u4e9b\u5e38\u89c1\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><h3>1. \u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u4ec5\u5305\u542b\u5b57\u6bcd<\/h3>\n<\/p>\n<p><p>\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5<code>isalpha<\/code>\u6765\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u4ec5\u5305\u542b\u5b57\u6bcd\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def is_alpha(input_str):<\/p>\n<p>    return input_str.isalpha()<\/p>\n<h2><strong>\u6d4b\u8bd5<\/strong><\/h2>\n<p>print(is_alpha(&quot;Hello&quot;))  # True<\/p>\n<p>print(is_alpha(&quot;Hello123&quot;))  # False<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>2. \u8f6c\u6362\u5927\u5c0f\u5199<\/h3>\n<\/p>\n<p><p>Python\u7684\u5b57\u7b26\u4e32\u65b9\u6cd5<code>lower<\/code>\u548c<code>upper<\/code>\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5c0f\u5199\u6216\u5927\u5199\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">input_str = &quot;Hello World&quot;<\/p>\n<p>print(input_str.lower())  # &#39;hello world&#39;<\/p>\n<p>print(input_str.upper())  # &#39;HELLO WORLD&#39;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e9b\u65b9\u6cd5\u5bf9\u4e8e\u5904\u7406\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u7684\u64cd\u4f5c\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u5b57\u5178\u6620\u5c04<\/p>\n<\/p>\n<p><p>\u5728\u5904\u7406\u82f1\u6587\u5b57\u6bcd\u65f6\uff0c\u6709\u65f6\u9700\u8981\u5bf9\u5b57\u6bcd\u8fdb\u884c\u6620\u5c04\u6216\u8f6c\u6362\u3002\u4f7f\u7528Python\u7684\u5b57\u5178\u6570\u636e\u7ed3\u6784\u53ef\u4ee5\u9ad8\u6548\u5730\u5b8c\u6210\u8fd9\u4e00\u4efb\u52a1\u3002<\/p>\n<\/p>\n<p><h3>1. \u5b57\u6bcd\u9891\u7387\u7edf\u8ba1<\/h3>\n<\/p>\n<p><p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b57\u5178\u6765\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u6bcf\u4e2a\u5b57\u6bcd\u51fa\u73b0\u7684\u9891\u7387\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def letter_frequency(input_str):<\/p>\n<p>    freq = {}<\/p>\n<p>    for char in input_str:<\/p>\n<p>        if char.isalpha():<\/p>\n<p>            char = char.lower()<\/p>\n<p>            if char in freq:<\/p>\n<p>                freq[char] += 1<\/p>\n<p>            else:<\/p>\n<p>                freq[char] = 1<\/p>\n<p>    return freq<\/p>\n<h2><strong>\u6d4b\u8bd5<\/strong><\/h2>\n<p>print(letter_frequency(&quot;Hello World&quot;))<\/p>\n<h2><strong>{&#39;h&#39;: 1, &#39;e&#39;: 1, &#39;l&#39;: 3, &#39;o&#39;: 2, &#39;w&#39;: 1, &#39;r&#39;: 1, &#39;d&#39;: 1}<\/strong><\/h2>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e00\u4e2a\u5b57\u5178<code>freq<\/code>\u6765\u5b58\u50a8\u6bcf\u4e2a\u5b57\u6bcd\u53ca\u5176\u51fa\u73b0\u7684\u6b21\u6570\u3002<\/p>\n<\/p>\n<p><h3>2. \u5b57\u6bcd\u6620\u5c04<\/h3>\n<\/p>\n<p><p>\u5b57\u5178\u8fd8\u53ef\u4ee5\u7528\u6765\u6620\u5c04\u5b57\u6bcd\u5230\u5176\u4ed6\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5b57\u5178\uff0c\u5c06\u6bcf\u4e2a\u5b57\u6bcd\u6620\u5c04\u5230\u5176\u5bf9\u5e94\u7684\u6469\u5c14\u65af\u7535\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">morse_code = {<\/p>\n<p>    &#39;A&#39;: &#39;.-&#39;, &#39;B&#39;: &#39;-...&#39;, &#39;C&#39;: &#39;-.-.&#39;, &#39;D&#39;: &#39;-..&#39;, &#39;E&#39;: &#39;.&#39;, &#39;F&#39;: &#39;..-.&#39;, &#39;G&#39;: &#39;--.&#39;, &#39;H&#39;: &#39;....&#39;,<\/p>\n<p>    &#39;I&#39;: &#39;..&#39;, &#39;J&#39;: &#39;.---&#39;, &#39;K&#39;: &#39;-.-&#39;, &#39;L&#39;: &#39;.-..&#39;, &#39;M&#39;: &#39;--&#39;, &#39;N&#39;: &#39;-.&#39;, &#39;O&#39;: &#39;---&#39;, &#39;P&#39;: &#39;.--.&#39;,<\/p>\n<p>    &#39;Q&#39;: &#39;--.-&#39;, &#39;R&#39;: &#39;.-.&#39;, &#39;S&#39;: &#39;...&#39;, &#39;T&#39;: &#39;-&#39;, &#39;U&#39;: &#39;..-&#39;, &#39;V&#39;: &#39;...-&#39;, &#39;W&#39;: &#39;.--&#39;, &#39;X&#39;: &#39;-..-&#39;,<\/p>\n<p>    &#39;Y&#39;: &#39;-.--&#39;, &#39;Z&#39;: &#39;--..&#39;<\/p>\n<p>}<\/p>\n<p>def text_to_morse(input_str):<\/p>\n<p>    result = []<\/p>\n<p>    for char in input_str.upper():<\/p>\n<p>        if char in morse_code:<\/p>\n<p>            result.append(morse_code[char])<\/p>\n<p>    return &#39; &#39;.join(result)<\/p>\n<h2><strong>\u6d4b\u8bd5<\/strong><\/h2>\n<p>print(text_to_morse(&quot;Hello&quot;))<\/p>\n<h2><strong>&#39;.... . .-.. .-.. ---&#39;<\/strong><\/h2>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5b57\u5178<code>morse_code<\/code>\u5c06\u6bcf\u4e2a\u5b57\u6bcd\u6620\u5c04\u5230\u5176\u5bf9\u5e94\u7684\u6469\u5c14\u65af\u7535\u7801\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u5b57\u7b26\u7f16\u7801\u68c0\u6d4b<\/p>\n<\/p>\n<p><p>\u5728\u5904\u7406\u5b57\u7b26\u4e32\u65f6\uff0c\u5c24\u5176\u662f\u5f53\u5b57\u7b26\u4e32\u6765\u81ea\u5916\u90e8\u8f93\u5165\u65f6\uff0c\u786e\u4fdd\u5b57\u7b26\u7f16\u7801\u6b63\u786e\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002Python\u63d0\u4f9b\u4e86\u5185\u7f6e\u7684<code>chardet<\/code>\u5e93\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u68c0\u6d4b\u5b57\u7b26\u4e32\u7684\u7f16\u7801\u3002<\/p>\n<\/p>\n<p><h3>1. \u68c0\u6d4b\u5b57\u7b26\u4e32\u7f16\u7801<\/h3>\n<\/p>\n<p><p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>chardet<\/code>\u5e93\u6765\u68c0\u6d4b\u5b57\u7b26\u4e32\u7684\u7f16\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import chardet<\/p>\n<p>def detect_encoding(input_bytes):<\/p>\n<p>    result = chardet.detect(input_bytes)<\/p>\n<p>    return result[&#39;encoding&#39;]<\/p>\n<h2><strong>\u6d4b\u8bd5<\/strong><\/h2>\n<p>input_bytes = &quot;Hello World&quot;.encode(&#39;utf-8&#39;)<\/p>\n<p>print(detect_encoding(input_bytes))<\/p>\n<h2><strong>&#39;utf-8&#39;<\/strong><\/h2>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5c06\u5b57\u7b26\u4e32\u7f16\u7801\u4e3a\u5b57\u8282\uff0c\u7136\u540e\u4f7f\u7528<code>chardet.detect<\/code>\u51fd\u6570\u68c0\u6d4b\u5176\u7f16\u7801\u3002<\/p>\n<\/p>\n<p><h3>2. \u5904\u7406\u4e0d\u540c\u7f16\u7801\u7684\u5b57\u7b26\u4e32<\/h3>\n<\/p>\n<p><p>\u6709\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5904\u7406\u4e0d\u540c\u7f16\u7801\u7684\u5b57\u7b26\u4e32\u3002\u786e\u4fdd\u6b63\u786e\u89e3\u7801\u8fd9\u4e9b\u5b57\u7b26\u4e32\u662f\u81f3\u5173\u91cd\u8981\u7684\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">input_bytes_utf8 = &quot;Hello World&quot;.encode(&#39;utf-8&#39;)<\/p>\n<p>input_bytes_latin1 = &quot;Hello World&quot;.encode(&#39;latin-1&#39;)<\/p>\n<p>def process_string(input_bytes):<\/p>\n<p>    encoding = detect_encoding(input_bytes)<\/p>\n<p>    return input_bytes.decode(encoding)<\/p>\n<h2><strong>\u6d4b\u8bd5<\/strong><\/h2>\n<p>print(process_string(input_bytes_utf8))  # &#39;Hello World&#39;<\/p>\n<p>print(process_string(input_bytes_latin1))  # &#39;Hello World&#39;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u68c0\u6d4b\u8f93\u5165\u5b57\u8282\u7684\u7f16\u7801\uff0c\u7136\u540e\u4f7f\u7528\u6b63\u786e\u7684\u7f16\u7801\u5c06\u5176\u89e3\u7801\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u603b\u7ed3<\/p>\n<\/p>\n<p><p><strong>\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5b57\u7b26\u4e32\u65b9\u6cd5\u3001\u5b57\u5178\u6620\u5c04\u548c\u5b57\u7b26\u7f16\u7801\u68c0\u6d4b<\/strong>\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7fPython\u4ee3\u7801\u5bf9\u82f1\u6587\u5b57\u6bcd\u5904\u7406\u66f4\u9c81\u68d2\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6a21\u5f0f\u5339\u914d\u80fd\u529b\uff0c\u5b57\u7b26\u4e32\u65b9\u6cd5\u7b80\u5355\u6613\u7528\uff0c\u5b57\u5178\u6620\u5c04\u9002\u5408\u5904\u7406\u590d\u6742\u7684\u8f6c\u6362\u548c\u7edf\u8ba1\u4efb\u52a1\uff0c\u5b57\u7b26\u7f16\u7801\u68c0\u6d4b\u786e\u4fdd\u4e86\u6b63\u786e\u5904\u7406\u4e0d\u540c\u7f16\u7801\u7684\u5b57\u7b26\u4e32\u3002\u8fd9\u4e9b\u65b9\u6cd5\u7684\u7ed3\u5408\u4f7f\u5f97\u6211\u4eec\u80fd\u591f\u9ad8\u6548\u3001\u51c6\u786e\u5730\u5904\u7406\u5404\u79cd\u4e0e\u82f1\u6587\u5b57\u6bcd\u76f8\u5173\u7684\u4efb\u52a1\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u9c81\u68d2\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u4e0d\u89c4\u5219\u7684\u82f1\u6587\u5b57\u6bcd\u8f93\u5165\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684\u5b57\u7b26\u4e32\u65b9\u6cd5\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5904\u7406\u4e0d\u89c4\u5219\u7684\u82f1\u6587\u5b57\u6bcd\u8f93\u5165\u3002\u901a\u8fc7\u4f7f\u7528<code>str.isalpha()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u68c0\u67e5\u5b57\u7b26\u662f\u5426\u4e3a\u5b57\u6bcd\uff0c\u800c\u6b63\u5219\u8868\u8fbe\u5f0f\u5219\u53ef\u4ee5\u5e2e\u52a9\u8fc7\u6ee4\u6389\u975e\u5b57\u6bcd\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528<code>re.sub()<\/code>\u51fd\u6570\u6765\u66ff\u6362\u4e0d\u7b26\u5408\u6761\u4ef6\u7684\u5b57\u7b26\uff0c\u786e\u4fdd\u53ea\u4fdd\u7559\u5b57\u6bcd\u3002<\/p>\n<p><strong>Python\u4e2d\u6709\u6ca1\u6709\u5e93\u53ef\u4ee5\u589e\u5f3a\u5bf9\u82f1\u6587\u5b57\u6bcd\u7684\u5904\u7406\u80fd\u529b\uff1f<\/strong><br \/>\u662f\u7684\uff0cPython\u6709\u591a\u4e2a\u5e93\u53ef\u4ee5\u5e2e\u52a9\u589e\u5f3a\u5bf9\u82f1\u6587\u5b57\u6bcd\u7684\u5904\u7406\u80fd\u529b\u3002\u4f8b\u5982\uff0c<code>string<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u591a\u79cd\u5b57\u7b26\u4e32\u64cd\u4f5c\u529f\u80fd\uff0c<code>re<\/code>\u6a21\u5757\u53ef\u4ee5\u7528\u4e8e\u590d\u6742\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u50cf<code>nltk<\/code>\u548c<code>textblob<\/code>\u8fd9\u6837\u7684\u81ea\u7136\u8bed\u8a00\u5904\u7406\u5e93\u4e5f\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd\u6765\u5904\u7406\u548c\u5206\u6790\u6587\u672c\u6570\u636e\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u82f1\u6587\u5b57\u6bcd\u7684\u5927\u5c0f\u5199\u8f6c\u6362\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>str.upper()<\/code>\u548c<code>str.lower()<\/code>\u65b9\u6cd5\u8f7b\u677e\u5b9e\u73b0\u5b57\u6bcd\u7684\u5927\u5c0f\u5199\u8f6c\u6362\u3002<code>str.capitalize()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u7684\u9996\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5927\u5199\uff0c\u800c\u5176\u4ed6\u5b57\u6bcd\u4fdd\u6301\u5c0f\u5199\u3002\u8fd9\u4e9b\u65b9\u6cd5\u90fd\u53ef\u4ee5\u5e94\u7528\u4e8e\u4efb\u4f55\u5b57\u7b26\u4e32\uff0c\u4ee5\u786e\u4fdd\u6587\u672c\u7b26\u5408\u7279\u5b9a\u7684\u683c\u5f0f\u8981\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5f00\u5934\u6bb5\u843d: \u8981\u4f7fPython\u4ee3\u7801\u5bf9\u82f1\u6587\u5b57\u6bcd\u5904\u7406\u66f4\u9c81\u68d2\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5b57\u7b26\u4e32\u65b9\u6cd5\u3001\u5b57\u5178\u6620\u5c04\u3001\u5b57\u7b26\u7f16\u7801\u68c0\u6d4b\u3002 [&hellip;]","protected":false},"author":3,"featured_media":1112257,"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\/1112251"}],"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=1112251"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1112251\/revisions"}],"predecessor-version":[{"id":1112261,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1112251\/revisions\/1112261"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1112257"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1112251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1112251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1112251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}