{"id":990043,"date":"2024-12-27T08:16:40","date_gmt":"2024-12-27T00:16:40","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/990043.html"},"modified":"2024-12-27T08:16:43","modified_gmt":"2024-12-27T00:16:43","slug":"python%e5%a6%82%e4%bd%95%e7%94%a8%e7%a9%ba%e6%a0%bc%e5%88%86%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/990043.html","title":{"rendered":"python\u5982\u4f55\u7528\u7a7a\u683c\u5206\u6bb5"},"content":{"rendered":"

\"python\u5982\u4f55\u7528\u7a7a\u683c\u5206\u6bb5\"<\/p>\n

\u5728Python\u4e2d\u4f7f\u7528\u7a7a\u683c\u5206\u6bb5\u7684\u5e38\u89c1\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528split()\u65b9\u6cd5\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5b57\u7b26\u4e32\u7684replace()\u65b9\u6cd5<\/strong>\u3002\u4f7f\u7528split()\u65b9\u6cd5\u662f\u6700\u7b80\u5355\u7684\u65b9\u5f0f<\/strong>\uff0c\u4f8b\u5982\uff0cstr.split(' ')<\/code>\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u6309\u7a7a\u683c\u5206\u5272\u6210\u5217\u8868\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u53ef\u4ee5\u7528\u4e8e\u66f4\u590d\u6742\u7684\u5206\u6bb5<\/strong>\uff0c\u4f8b\u5982\u4f7f\u7528re\u5e93\u7684re.split(r'\\s+', str)<\/code>\u53ef\u4ee5\u6839\u636e\u591a\u4e2a\u7a7a\u683c\u6216\u5176\u4ed6\u7a7a\u767d\u5b57\u7b26\u8fdb\u884c\u5206\u6bb5\u3002replace()\u65b9\u6cd5\u53ef\u4ee5\u5148\u5c06\u7a7a\u683c\u66ff\u6362\u4e3a\u5176\u4ed6\u5b57\u7b26\uff0c\u518d\u8fdb\u884c\u5206\u5272<\/strong>\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5bf9\u7a7a\u683c\u8fdb\u884c\u7279\u6b8a\u5904\u7406\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528split()\u65b9\u6cd5<\/h3>\n<\/p>\n

Python\u7684split()<\/code>\u65b9\u6cd5\u662f\u4e00\u79cd\u7b80\u5355\u800c\u6709\u6548\u7684\u5b57\u7b26\u4e32\u5206\u5272\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u6309\u7167\u6307\u5b9a\u7684\u5206\u9694\u7b26\u8fdb\u884c\u5206\u5272\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5217\u8868\u3002<\/p>\n<\/p>\n

1. \u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n

split()<\/code>\u65b9\u6cd5\u7684\u57fa\u672c\u7528\u6cd5\u662f\u5c06\u5b57\u7b26\u4e32\u6309\u5355\u4e2a\u7a7a\u683c\u5206\u5272\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0csplit()<\/code>\u65b9\u6cd5\u4f1a\u81ea\u52a8\u5904\u7406\u8fde\u7eed\u7a7a\u683c\uff0c\u53ea\u8fd4\u56de\u5b9e\u9645\u7684\u5b57\u7b26\u4e32\u7247\u6bb5\u3002<\/p>\n<\/p>\n

text = "Python \u662f \u4e00\u79cd \u5f3a\u5927 \u7684 \u7f16\u7a0b \u8bed\u8a00"<\/p>\n
result = text.split()<\/p>\n
print(result)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4ee5\u4e0a\u4ee3\u7801\u5c06\u8f93\u51fa\uff1a['Python', '\u662f', '\u4e00\u79cd', '\u5f3a\u5927', '\u7684', '\u7f16\u7a0b', '\u8bed\u8a00']<\/code>\u3002<\/p>\n<\/p>\n
2. \u81ea\u5b9a\u4e49\u5206\u9694\u7b26<\/h4>\n<\/p>\n
\u5982\u679c\u9700\u8981\u6307\u5b9a\u5176\u4ed6\u5206\u9694\u7b26\uff0c\u53ef\u4ee5\u5c06\u5206\u9694\u7b26\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9split()<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
text = "Python-\u662f-\u4e00\u79cd-\u5f3a\u5927-\u7684-\u7f16\u7a0b-\u8bed\u8a00"<\/p>\n
result = text.split('-')<\/p>\n
print(result)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a['Python', '\u662f', '\u4e00\u79cd', '\u5f3a\u5927', '\u7684', '\u7f16\u7a0b', '\u8bed\u8a00']<\/code>\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/h3>\n<\/p>\n
\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u5b57\u7b26\u4e32\u5206\u5272\u529f\u80fd\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u590d\u6742\u6a21\u5f0f\u65f6\u975e\u5e38\u6709\u7528\u3002Python\u4e2d\u7684re<\/code>\u5e93\u63d0\u4f9b\u4e86\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n<\/p>\n
1. \u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n
\u901a\u8fc7re.split()<\/code>\u53ef\u4ee5\u6839\u636e\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u5206\u5272\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\\s+<\/code>\u8868\u793a\u5339\u914d\u4e00\u4e2a\u6216\u591a\u4e2a\u7a7a\u767d\u5b57\u7b26\uff08\u5305\u62ec\u7a7a\u683c\u3001\u5236\u8868\u7b26\u7b49\uff09\u3002<\/p>\n<\/p>\n
import re<\/p>\n
text = "Python    \u662f    \u4e00\u79cd   \u5f3a\u5927  \u7684   \u7f16\u7a0b \u8bed\u8a00"<\/p>\n
result = re.split(r'\\s+', text)<\/p>\n
print(result)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a['Python', '\u662f', '\u4e00\u79cd', '\u5f3a\u5927', '\u7684', '\u7f16\u7a0b', '\u8bed\u8a00']<\/code>\u3002<\/p>\n<\/p>\n
2. \u590d\u6742\u5206\u5272<\/h4>\n<\/p>\n
\u6b63\u5219\u8868\u8fbe\u5f0f\u8fd8\u53ef\u4ee5\u7528\u4e8e\u66f4\u590d\u6742\u7684\u5206\u5272\u6a21\u5f0f\uff0c\u4f8b\u5982\u540c\u65f6\u5206\u5272\u7a7a\u683c\u548c\u7279\u6b8a\u5b57\u7b26\u3002<\/p>\n<\/p>\n
import re<\/p>\n
text = "Python-\u662f+\u4e00\u79cd*\u5f3a\u5927;\u7684,\u7f16\u7a0b \u8bed\u8a00"<\/p>\n
result = re.split(r'[\\s\\-\\+\\*\\;,]+', text)<\/p>\n
print(result)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a['Python', '\u662f', '\u4e00\u79cd', '\u5f3a\u5927', '\u7684', '\u7f16\u7a0b', '\u8bed\u8a00']<\/code>\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528replace()\u65b9\u6cd5<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u5148\u5c06\u7a7a\u683c\u66ff\u6362\u4e3a\u5176\u4ed6\u5b57\u7b26\uff0c\u7136\u540e\u518d\u8fdb\u884c\u5206\u5272\u3002replace()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n
1. \u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n
\u901a\u8fc7replace()<\/code>\u65b9\u6cd5\u5c06\u7a7a\u683c\u66ff\u6362\u4e3a\u5176\u4ed6\u5b57\u7b26\u3002<\/p>\n<\/p>\n
text = "Python \u662f \u4e00\u79cd \u5f3a\u5927 \u7684 \u7f16\u7a0b \u8bed\u8a00"<\/p>\n
text = text.replace(' ', '|')<\/p>\n
result = text.split('|')<\/p>\n
print(result)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a['Python', '\u662f', '\u4e00\u79cd', '\u5f3a\u5927', '\u7684', '\u7f16\u7a0b', '\u8bed\u8a00']<\/code>\u3002<\/p>\n<\/p>\n
2. \u7ed3\u5408\u5176\u4ed6\u65b9\u6cd5<\/h4>\n<\/p>\n
replace()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u4e0e\u5176\u4ed6\u65b9\u6cd5\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u5206\u5272\u9700\u6c42\u3002<\/p>\n<\/p>\n
text = "Python \u662f \u4e00\u79cd \u5f3a\u5927 \u7684 \u7f16\u7a0b \u8bed\u8a00"<\/p>\n
text = text.replace(' ', '|')<\/p>\n
result = re.split(r'\\|+', text)<\/p>\n
print(result)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a['Python', '\u662f', '\u4e00\u79cd', '\u5f3a\u5927', '\u7684', '\u7f16\u7a0b', '\u8bed\u8a00']<\/code>\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5e94\u7528\u573a\u666f<\/h3>\n<\/p>\n
Python\u4e2d\u4f7f\u7528\u7a7a\u683c\u5206\u6bb5\u7684\u6280\u672f\u5728\u8bb8\u591a\u5b9e\u9645\u5e94\u7528\u4e2d\u90fd\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<\/p>\n
1. \u6587\u672c\u5206\u6790<\/h4>\n<\/p>\n
\u5728\u81ea\u7136\u8bed\u8a00\u5904\u7406\uff08NLP\uff09\u4e2d\uff0c\u6587\u672c\u7684\u5206\u6bb5\u548c\u5206\u8bcd\u662f\u57fa\u7840\u6b65\u9aa4\u3002\u5229\u7528\u4e0a\u8ff0\u65b9\u6cd5\u53ef\u4ee5\u6709\u6548\u5730\u5bf9\u6587\u672c\u8fdb\u884c\u9884\u5904\u7406\u3002<\/p>\n<\/p>\n
2. \u6570\u636e\u6e05\u6d17<\/h4>\n<\/p>\n
\u5728\u6570\u636e\u79d1\u5b66\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u5bf9\u539f\u59cb\u6570\u636e\u8fdb\u884c\u6e05\u6d17\u3002\u5206\u5272\u5b57\u7b26\u4e32\u662f\u5176\u4e2d\u4e00\u4e2a\u91cd\u8981\u6b65\u9aa4\uff0c\u5c24\u5176\u662f\u5f53\u6570\u636e\u683c\u5f0f\u4e0d\u4e00\u81f4\u65f6\u3002<\/p>\n<\/p>\n
3. \u914d\u7f6e\u6587\u4ef6\u89e3\u6790<\/h4>\n<\/p>\n
\u8bb8\u591a\u914d\u7f6e\u6587\u4ef6\u4f7f\u7528\u7a7a\u683c\u6216\u5176\u4ed6\u5b57\u7b26\u8fdb\u884c\u5206\u9694\uff0c\u4f7f\u7528Python\u7684\u5b57\u7b26\u4e32\u5206\u5272\u6280\u672f\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6790\u8fd9\u4e9b\u6587\u4ef6\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u7a7a\u683c\u5206\u6bb5\u3002split()\u65b9\u6cd5\u662f\u6700\u7b80\u5355\u548c\u76f4\u63a5\u7684\u9009\u62e9\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u57fa\u672c\u573a\u666f<\/strong>\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u7075\u6d3b\u6027\uff0c\u9002\u7528\u4e8e\u590d\u6742\u5206\u5272\u9700\u6c42<\/strong>\u3002\u800creplace()\u65b9\u6cd5\u5219\u53ef\u4ee5\u7ed3\u5408\u5176\u4ed6\u65b9\u6cd5\u4f7f\u7528\uff0c\u4ee5\u6ee1\u8db3\u7279\u5b9a\u7684\u5904\u7406\u9700\u6c42<\/strong>\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528\u7a7a\u683c\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u5206\u6bb5\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528split()<\/code>\u65b9\u6cd5\u6765\u6839\u636e\u7a7a\u683c\u5c06\u5b57\u7b26\u4e32\u5206\u6bb5\u3002\u8fd9\u4e2a\u65b9\u6cd5\u4f1a\u5c06\u5b57\u7b26\u4e32\u62c6\u5206\u6210\u4e00\u4e2a\u5217\u8868\uff0c\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u539f\u5b57\u7b26\u4e32\u4e2d\u7684\u4e00\u4e2a\u6bb5\u843d\u3002\u4f8b\u5982\uff0cstring.split()<\/code>\u4f1a\u8fd4\u56de\u4e00\u4e2a\u7531\u7a7a\u683c\u5206\u9694\u7684\u5355\u8bcd\u5217\u8868\u3002<\/p>\n
\u5982\u4f55\u5904\u7406\u591a\u4e2a\u8fde\u7eed\u7a7a\u683c\u7684\u60c5\u51b5\uff1f<\/strong>
\u5982\u679c\u5b57\u7b26\u4e32\u4e2d\u5b58\u5728\u591a\u4e2a\u8fde\u7eed\u7684\u7a7a\u683c\uff0c\u4f7f\u7528split()<\/code>\u65b9\u6cd5\u4f1a\u81ea\u52a8\u5904\u7406\u8fd9\u4e9b\u7a7a\u683c\uff0c\u8fd4\u56de\u7684\u5217\u8868\u4e2d\u4e0d\u4f1a\u5305\u542b\u7a7a\u7684\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c"hello    world".split()<\/code>\u5c06\u8fd4\u56de['hello', 'world']<\/code>\uff0c\u800c\u4e0d\u662f['hello', '', '', '', '', 'world']<\/code>\u3002<\/p>\n
\u5982\u4f55\u4f7f\u7528\u7a7a\u683c\u5206\u6bb5\u5e76\u4fdd\u7559\u7a7a\u6bb5\u843d\uff1f<\/strong>
\u5982\u679c\u9700\u8981\u4fdd\u7559\u7a7a\u6bb5\u843d\uff0c\u53ef\u4ee5\u4f7f\u7528split(' ')<\/code>\uff0c\u8fd9\u6837\u5728\u62c6\u5206\u5b57\u7b26\u4e32\u65f6\u4e0d\u4f1a\u5ffd\u7565\u8fde\u7eed\u7684\u7a7a\u683c\u3002\u4f8b\u5982\uff0c"hello  world".split(' ')<\/code>\u5c06\u8fd4\u56de['hello', '', 'world']<\/code>\uff0c\u5176\u4e2d\u7a7a\u5b57\u7b26\u4e32\u8868\u793a\u5728\u4e24\u4e2a\u5355\u8bcd\u4e4b\u95f4\u7684\u7a7a\u683c\u3002<\/p>\n
\u5728Python\u4e2d\u4f7f\u7528\u7a7a\u683c\u5206\u6bb5\u7684\u5e38\u89c1\u5e94\u7528\u573a\u666f\u6709\u54ea\u4e9b\uff1f<\/strong>
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