{"id":1109933,"date":"2025-01-08T17:14:58","date_gmt":"2025-01-08T09:14:58","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1109933.html"},"modified":"2025-01-08T17:15:01","modified_gmt":"2025-01-08T09:15:01","slug":"python%e5%a6%82%e4%bd%95%e5%8e%bb%e6%8e%89%e5%ad%97%e7%ac%a6%e4%b8%b2%e4%b8%ad%e7%9a%84%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1109933.html","title":{"rendered":"python\u5982\u4f55\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u5143\u7d20"},"content":{"rendered":"

\"python\u5982\u4f55\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u5143\u7d20\"<\/p>\n

\u4f7f\u7528Python\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528replace()\u3001translate()\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u7b49\u65b9\u6cd5\u3002<\/strong>\u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u9002\u5408\u4e0d\u540c\u7684\u9700\u6c42\u573a\u666f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528replace()\u53ef\u4ee5\u7b80\u5355\u76f4\u63a5\u5730\u66ff\u6362\u7279\u5b9a\u5b57\u7b26\uff0c\u800ctranslate()\u9002\u5408\u66ff\u6362\u591a\u4e2a\u5b57\u7b26\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u5219\u66f4\u4e3a\u7075\u6d3b\uff0c\u9002\u5408\u590d\u6742\u7684\u5339\u914d\u548c\u66ff\u6362\u3002\u5728\u63a5\u4e0b\u6765\u7684\u90e8\u5206\uff0c\u6211\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5b9e\u9645\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<\/p>\n

replace()\u65b9\u6cd5<\/strong><\/p>\n<\/p>\n

replace()\u65b9\u6cd5\u662fPython\u5b57\u7b26\u4e32\u5904\u7406\u4e2d\u7684\u4e00\u4e2a\u5e38\u7528\u65b9\u6cd5\u3002\u5b83\u7684\u4e3b\u8981\u529f\u80fd\u662f\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u67d0\u4e2a\u5b50\u5b57\u7b26\u4e32\u66ff\u6362\u4e3a\u53e6\u4e00\u4e2a\u5b50\u5b57\u7b26\u4e32\u3002\u8fd9\u4e2a\u65b9\u6cd5\u975e\u5e38\u7b80\u5355\u4e14\u6613\u4e8e\u4f7f\u7528\uff0c\u9002\u5408\u5904\u7406\u7b80\u5355\u7684\u5b57\u7b26\u66ff\u6362\u4efb\u52a1\u3002<\/p>\n<\/p>\n

original_string = "hello world"<\/p>\n
modified_string = original_string.replace('o', '')<\/p>\n
print(modified_string)  # \u8f93\u51fa\uff1ahell wrld<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u539f\u59cb\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709'o'\u5b57\u7b26\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u53bb\u6389\u7279\u5b9a\u5b57\u7b26\u7684\u6548\u679c\u3002replace()\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u6613\u4e8e\u7406\u89e3\u548c\u4f7f\u7528\uff0c\u7f3a\u70b9\u662f\u53ea\u80fd\u5904\u7406\u5355\u4e2a\u5b57\u7b26\u6216\u5b57\u7b26\u4e32\u7684\u66ff\u6362\u3002<\/p>\n<\/p>\n
translate()\u65b9\u6cd5<\/strong><\/p>\n<\/p>\n
translate()\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u66ff\u6362\u591a\u4e2a\u5b57\u7b26\u7684\u573a\u666f\u3002\u5b83\u901a\u8fc7\u4e00\u4e2a\u8f6c\u6362\u8868\uff08translation table\uff09\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u7b26\u8fdb\u884c\u6620\u5c04\u548c\u66ff\u6362\u3002\u8fd9\u4e2a\u65b9\u6cd5\u6bd4replace()\u66f4\u4e3a\u5f3a\u5927\uff0c\u4f46\u4e5f\u76f8\u5bf9\u590d\u6742\u4e00\u4e9b\u3002<\/p>\n<\/p>\n
original_string = "hello world"<\/p>\n
translation_table = str.maketrans('lo', '12')<\/p>\n
modified_string = original_string.translate(translation_table)<\/p>\n
print(modified_string)  # \u8f93\u51fa\uff1ahe11o w1r1d<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7str.maketrans()\u51fd\u6570\u521b\u5efa\u4e86\u4e00\u4e2a\u8f6c\u6362\u8868\uff0c\u5c06'l'\u548c'o'\u5b57\u7b26\u5206\u522b\u6620\u5c04\u4e3a'1'\u548c'2'\u3002\u7136\u540e\uff0c\u4f7f\u7528translate()\u65b9\u6cd5\u8fdb\u884c\u66ff\u6362\u3002translate()\u7684\u4f18\u70b9\u662f\u53ef\u4ee5\u4e00\u6b21\u6027\u5904\u7406\u591a\u4e2a\u5b57\u7b26\u7684\u66ff\u6362\uff0c\u7f3a\u70b9\u662f\u521b\u5efa\u8f6c\u6362\u8868\u76f8\u5bf9\u590d\u6742\u3002<\/p>\n<\/p>\n
\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong><\/p>\n<\/p>\n
\u6b63\u5219\u8868\u8fbe\u5f0f\uff08Regular Expression\uff09\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5b57\u7b26\u4e32\u5339\u914d\u548c\u66ff\u6362\u5de5\u5177\u3002\u5b83\u9002\u7528\u4e8e\u590d\u6742\u7684\u5339\u914d\u548c\u66ff\u6362\u4efb\u52a1\uff0c\u901a\u8fc7\u7075\u6d3b\u7684\u6a21\u5f0f\u5b9a\u4e49\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5f88\u591a\u9ad8\u7ea7\u7684\u5b57\u7b26\u4e32\u5904\u7406\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
import re<\/p>\n
original_string = "hello world"<\/p>\n
pattern = '[lo]'<\/p>\n
modified_string = re.sub(pattern, '', original_string)<\/p>\n
print(modified_string)  # \u8f93\u51fa\uff1ahe wrd<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86re\u6a21\u5757\u7684sub()\u65b9\u6cd5\uff0c\u901a\u8fc7\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5f0f'[lo]'\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684'l'\u548c'o'\u5b57\u7b26\uff0c\u5e76\u5c06\u5b83\u4eec\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u4f18\u70b9\u662f\u975e\u5e38\u7075\u6d3b\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u5339\u914d\u548c\u66ff\u6362\u4efb\u52a1\uff0c\u7f3a\u70b9\u662f\u5b66\u4e60\u6210\u672c\u8f83\u9ad8\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/strong><\/p>\n<\/p>\n
\u901a\u8fc7\u4e0a\u9762\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u5143\u7d20\uff0c\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u7684\u573a\u666f\u548c\u4f18\u7f3a\u70b9\u3002replace()\u65b9\u6cd5\u7b80\u5355\u6613\u7528\uff0c\u9002\u5408\u5904\u7406\u5355\u4e2a\u5b57\u7b26\u6216\u5b57\u7b26\u4e32\u7684\u66ff\u6362\uff1btranslate()\u65b9\u6cd5\u5f3a\u5927\uff0c\u9002\u5408\u66ff\u6362\u591a\u4e2a\u5b57\u7b26\uff1b\u6b63\u5219\u8868\u8fbe\u5f0f\u7075\u6d3b\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u5339\u914d\u548c\u66ff\u6362\u4efb\u52a1\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u4ee5\u5b9e\u73b0\u6700\u4f73\u7684\u5b57\u7b26\u4e32\u5904\u7406\u6548\u679c\u3002<\/p>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u8fdb\u4e00\u6b65\u8be6\u7ec6\u4ecb\u7ecd\u6bcf\u79cd\u65b9\u6cd5\u7684\u7528\u6cd5\u53ca\u5176\u9002\u7528\u573a\u666f\uff0c\u5e76\u63d0\u4f9b\u66f4\u591a\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u4e00\u3001replace()\u65b9\u6cd5<\/h3>\n<\/p>\n
replace()\u65b9\u6cd5\u662fPython\u5b57\u7b26\u4e32\u7c7b\u4e2d\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u67d0\u4e2a\u5b50\u5b57\u7b26\u4e32\u66ff\u6362\u4e3a\u53e6\u4e00\u4e2a\u5b50\u5b57\u7b26\u4e32\u3002\u5b83\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
str.replace(old, new[, max])<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5176\u4e2d\uff0cold<\/code>\u662f\u8981\u88ab\u66ff\u6362\u7684\u5b50\u5b57\u7b26\u4e32\uff0cnew<\/code>\u662f\u66ff\u6362\u540e\u7684\u5b50\u5b57\u7b26\u4e32\uff0cmax<\/code>\u662f\u53ef\u9009\u53c2\u6570\uff0c\u8868\u793a\u66ff\u6362\u7684\u6700\u5927\u6b21\u6570\u3002\u5982\u679c\u4e0d\u6307\u5b9amax<\/code>\uff0c\u5219\u9ed8\u8ba4\u66ff\u6362\u6240\u6709\u5339\u914d\u7684\u5b50\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u793a\u4f8b1\uff1a\u66ff\u6362\u5355\u4e2a\u5b57\u7b26<\/h4>\n<\/p>\n
original_string = "hello world"<\/p>\n
modified_string = original_string.replace('o', '')<\/p>\n
print(modified_string)  # \u8f93\u51fa\uff1ahell wrld<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709'o'\u5b57\u7b26\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u8fbe\u5230\u4e86\u53bb\u6389\u7279\u5b9a\u5b57\u7b26\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n
\u793a\u4f8b2\uff1a\u66ff\u6362\u5b50\u5b57\u7b26\u4e32<\/h4>\n<\/p>\n
original_string = "hello world"<\/p>\n
modified_string = original_string.replace('world', 'Python')<\/p>\n
print(modified_string)  # \u8f93\u51fa\uff1ahello Python<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684'world'\u5b50\u5b57\u7b26\u4e32\u66ff\u6362\u4e3a'Python'\uff0c\u5b9e\u73b0\u4e86\u5b50\u5b57\u7b26\u4e32\u7684\u66ff\u6362\u3002<\/p>\n<\/p>\n
\u793a\u4f8b3\uff1a\u9650\u5236\u66ff\u6362\u6b21\u6570<\/h4>\n<\/p>\n
original_string = "hello world hello"<\/p>\n
modified_string = original_string.replace('hello', 'hi', 1)<\/p>\n
print(modified_string)  # \u8f93\u51fa\uff1ahi world hello<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u6307\u5b9amax<\/code>\u53c2\u6570\u4e3a1\uff0c\u53ea\u66ff\u6362\u4e86\u7b2c\u4e00\u4e2a\u5339\u914d\u7684'hello'\u5b50\u5b57\u7b26\u4e32\uff0c\u800c\u4fdd\u7559\u4e86\u7b2c\u4e8c\u4e2a\u5339\u914d\u7684\u5b50\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u4e8c\u3001translate()\u65b9\u6cd5<\/h3>\n<\/p>\n
translate()\u65b9\u6cd5\u7528\u4e8e\u6839\u636e\u8f6c\u6362\u8868\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u7b26\u8fdb\u884c\u6620\u5c04\u548c\u66ff\u6362\u3002\u5b83\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
str.translate(table)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5176\u4e2d\uff0ctable<\/code>\u662f\u4e00\u4e2a\u8f6c\u6362\u8868\uff0c\u901a\u8fc7str.maketrans()<\/code>\u51fd\u6570\u751f\u6210\u3002<\/p>\n<\/p>\n
\u793a\u4f8b1\uff1a\u66ff\u6362\u591a\u4e2a\u5b57\u7b26<\/h4>\n<\/p>\n
original_string = "hello world"<\/p>\n
translation_table = str.maketrans('lo', '12')<\/p>\n
modified_string = original_string.translate(translation_table)<\/p>\n
print(modified_string)  # \u8f93\u51fa\uff1ahe11o w1r1d<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7str.maketrans()<\/code>\u51fd\u6570\u521b\u5efa\u4e86\u4e00\u4e2a\u8f6c\u6362\u8868\uff0c\u5c06'l'\u548c'o'\u5b57\u7b26\u5206\u522b\u6620\u5c04\u4e3a'1'\u548c'2'\uff0c\u7136\u540e\u4f7f\u7528translate()<\/code>\u65b9\u6cd5\u8fdb\u884c\u66ff\u6362\u3002<\/p>\n<\/p>\n
\u793a\u4f8b2\uff1a\u5220\u9664\u5b57\u7b26<\/h4>\n<\/p>\n
original_string = "hello world"<\/p>\n
translation_table = str.maketrans('', '', 'lo')<\/p>\n
modified_string = original_string.translate(translation_table)<\/p>\n
print(modified_string)  # \u8f93\u51fa\uff1ahe wrd<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7str.maketrans()<\/code>\u51fd\u6570\u521b\u5efa\u4e86\u4e00\u4e2a\u8f6c\u6362\u8868\uff0c\u5c06'l'\u548c'o'\u5b57\u7b26\u6620\u5c04\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u5220\u9664\u7279\u5b9a\u5b57\u7b26\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u6b63\u5219\u8868\u8fbe\u5f0f<\/h3>\n<\/p>\n
\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5b57\u7b26\u4e32\u5339\u914d\u548c\u66ff\u6362\u5de5\u5177\uff0c\u901a\u8fc7\u7075\u6d3b\u7684\u6a21\u5f0f\u5b9a\u4e49\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5f88\u591a\u9ad8\u7ea7\u7684\u5b57\u7b26\u4e32\u5904\u7406\u64cd\u4f5c\u3002\u5728Python\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528re<\/code>\u6a21\u5757\u6765\u5904\u7406\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n
\u793a\u4f8b1\uff1a\u66ff\u6362\u5355\u4e2a\u5b57\u7b26<\/h4>\n<\/p>\n
import re<\/p>\n
original_string = "hello world"<\/p>\n
pattern = 'o'<\/p>\n
modified_string = re.sub(pattern, '', original_string)<\/p>\n
print(modified_string)  # \u8f93\u51fa\uff1ahell wrld<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86re.sub()<\/code>\u65b9\u6cd5\uff0c\u901a\u8fc7\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5f0f'o'\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684'o'\u5b57\u7b26\uff0c\u5e76\u5c06\u5176\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u793a\u4f8b2\uff1a\u66ff\u6362\u591a\u4e2a\u5b57\u7b26<\/h4>\n<\/p>\n
import re<\/p>\n
original_string = "hello world"<\/p>\n
pattern = '[lo]'<\/p>\n
modified_string = re.sub(pattern, '', original_string)<\/p>\n
print(modified_string)  # \u8f93\u51fa\uff1ahe wrd<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5f0f'[lo]'\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684'l'\u548c'o'\u5b57\u7b26\uff0c\u5e76\u5c06\u5b83\u4eec\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u793a\u4f8b3\uff1a\u66ff\u6362\u5b50\u5b57\u7b26\u4e32<\/h4>\n<\/p>\n
import re<\/p>\n
original_string = "hello world"<\/p>\n
pattern = 'world'<\/p>\n
modified_string = re.sub(pattern, 'Python', original_string)<\/p>\n
print(modified_string)  # \u8f93\u51fa\uff1ahello Python<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5f0f'world'\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684'world'\u5b50\u5b57\u7b26\u4e32\uff0c\u5e76\u5c06\u5176\u66ff\u6362\u4e3a'Python'\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5176\u4ed6\u65b9\u6cd5<\/h3>\n<\/p>\n
\u9664\u4e86\u4e0a\u8ff0\u4e09\u79cd\u5e38\u7528\u65b9\u6cd5\uff0cPython\u8fd8\u63d0\u4f9b\u4e86\u5176\u4ed6\u4e00\u4e9b\u65b9\u6cd5\u6765\u5904\u7406\u5b57\u7b26\u4e32\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u89e3\u6790\u548cjoin()\u65b9\u6cd5\u6765\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u7279\u5b9a\u5b57\u7b26\u3002<\/p>\n<\/p>\n
\u793a\u4f8b1\uff1a\u5217\u8868\u89e3\u6790\u548cjoin()\u65b9\u6cd5<\/h4>\n<\/p>\n
original_string = "hello world"<\/p>\n
modified_string = ''.join([char for char in original_string if char != 'o'])<\/p>\n
print(modified_string)  # \u8f93\u51fa\uff1ahell wrld<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u5217\u8868\u89e3\u6790\u751f\u6210\u4e00\u4e2a\u4e0d\u5305\u542b'o'\u5b57\u7b26\u7684\u5b57\u7b26\u5217\u8868\uff0c\u7136\u540e\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u5c06\u5176\u8fde\u63a5\u6210\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
\u793a\u4f8b2\uff1a\u4f7f\u7528\u5b57\u7b26\u4e32\u5207\u7247<\/h4>\n<\/p>\n
original_string = "hello world"<\/p>\n
modified_string = original_string[:4] + original_string[5:]<\/p>\n
print(modified_string)  # \u8f93\u51fa\uff1ahell world<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u5b57\u7b26\u4e32\u5207\u7247\u64cd\u4f5c\u53bb\u6389\u4e86\u5b57\u7b26\u4e32\u4e2d\u7684\u7b2c\u4e94\u4e2a\u5b57\u7b26\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u4ecb\u7ecd\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u5143\u7d20\uff0c\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u7684\u573a\u666f\u548c\u4f18\u7f3a\u70b9\u3002\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u4ee5\u5b9e\u73b0\u6700\u4f73\u7684\u5b57\u7b26\u4e32\u5904\u7406\u6548\u679c\u3002<\/p>\n<\/p>\n
replace()\u65b9\u6cd5<\/strong>\u7b80\u5355\u6613\u7528\uff0c\u9002\u5408\u5904\u7406\u5355\u4e2a\u5b57\u7b26\u6216\u5b57\u7b26\u4e32\u7684\u66ff\u6362\uff1btranslate()\u65b9\u6cd5<\/strong>\u5f3a\u5927\uff0c\u9002\u5408\u66ff\u6362\u591a\u4e2a\u5b57\u7b26\uff1b\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong>\u7075\u6d3b\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u5339\u914d\u548c\u66ff\u6362\u4efb\u52a1\uff1b\u6b64\u5916\uff0c\u5217\u8868\u89e3\u6790\u548cjoin()\u65b9\u6cd5<\/strong>\u3001\u5b57\u7b26\u4e32\u5207\u7247<\/strong>\u7b49\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u5728\u7279\u5b9a\u573a\u666f\u4e0b\u4f7f\u7528\u3002<\/p>\n<\/p>\n
\u5e0c\u671b\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u80fd\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e9b\u5b57\u7b26\u4e32\u5904\u7406\u65b9\u6cd5\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6548\u7387\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u7279\u5b9a\u5b57\u7b26\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684replace()<\/code>\u65b9\u6cd5\u6765\u53bb\u6389\u7279\u5b9a\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u60f3\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u6bcd'a'\uff0c\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n
original_string = "banana"\nnew_string = original_string.replace('a', '')\nprint(new_string)  # \u8f93\u51fa: bnn\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u7b80\u5355\u660e\u4e86\uff0c\u9002\u7528\u4e8e\u53bb\u6389\u5355\u4e00\u5b57\u7b26\u3002<\/p>\n
\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u7279\u5b9a\u6a21\u5f0f\u6709\u54ea\u4e9b\u4f18\u52bf\uff1f<\/strong>
\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u4f9b\u4e86\u4e00\u79cd\u5f3a\u5927\u7684\u65b9\u5f0f\u6765\u5904\u7406\u5b57\u7b26\u4e32\u3002\u4f7f\u7528re<\/code>\u6a21\u5757\uff0c\u53ef\u4ee5\u53bb\u6389\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u6570\u5b57\uff0c\u53ef\u4ee5\u8fd9\u6837\u5b9e\u73b0\uff1a<\/p>\n
import re\noriginal_string = "abc123def456"\nnew_string = re.sub(r'\\d+', '', original_string)\nprint(new_string)  # \u8f93\u51fa: abcdef\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u5f0f\u9002\u5408\u4e8e\u590d\u6742\u7684\u5b57\u7b26\u4e32\u5904\u7406\u9700\u6c42\uff0c\u6bd4\u5982\u53bb\u6389\u591a\u4e2a\u4e0d\u540c\u7684\u5b57\u7b26\u6216\u7279\u5b9a\u683c\u5f0f\u7684\u5b57\u7b26\u3002<\/p>\n
\u5728Python\u4e2d\u80fd\u5426\u901a\u8fc7\u5207\u7247\u6765\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u67d0\u4e9b\u90e8\u5206\uff1f<\/strong>
\u5207\u7247\u662f\u4e00\u79cd\u7075\u6d3b\u7684\u5b57\u7b26\u4e32\u5904\u7406\u65b9\u6cd5\u3002\u901a\u8fc7\u6307\u5b9a\u5f00\u59cb\u548c\u7ed3\u675f\u7d22\u5f15\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u53bb\u6389\u5b57\u7b26\u4e32\u7684\u67d0\u4e9b\u90e8\u5206\u3002\u4f8b\u5982\uff0c\u5982\u679c\u53ea\u60f3\u4fdd\u7559\u5b57\u7b26\u4e32\u7684\u524d\u56db\u4e2a\u5b57\u7b26\uff0c\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n
original_string = "Hello, World!"\nnew_string = original_string[:4] + original_string[5:]\nprint(new_string)  # \u8f93\u51fa: Hell World!\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u9002\u5408\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u7cbe\u51c6\u7684\u63a7\u5236\uff0c\u4f46\u9700\u8981\u77e5\u9053\u8981\u53bb\u6389\u7684\u90e8\u5206\u7684\u5177\u4f53\u4f4d\u7f6e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528Python\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528replace()\u3001translate()\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u7b49\u65b9\u6cd5\u3002\u8fd9\u4e9b […]","protected":false},"author":3,"featured_media":1109947,"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\/1109933"}],"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=1109933"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1109933\/revisions"}],"predecessor-version":[{"id":1109949,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1109933\/revisions\/1109949"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1109947"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1109933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1109933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1109933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}