{"id":964908,"date":"2024-12-27T04:32:51","date_gmt":"2024-12-26T20:32:51","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/964908.html"},"modified":"2024-12-27T04:32:53","modified_gmt":"2024-12-26T20:32:53","slug":"python%e5%a6%82%e4%bd%95%e9%99%a4%e5%8e%bb%e5%8d%95%e5%bc%95%e5%8f%b7","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/964908.html","title":{"rendered":"python\u5982\u4f55\u9664\u53bb\u5355\u5f15\u53f7"},"content":{"rendered":"

\"python\u5982\u4f55\u9664\u53bb\u5355\u5f15\u53f7\"<\/p>\n

\u5728Python\u4e2d\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u5355\u5f15\u53f7\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684replace\u65b9\u6cd5\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5b57\u7b26\u4e32\u5207\u7247\u7b49\u65b9\u6cd5\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528replace<\/code>\u65b9\u6cd5\u662f\u6700\u7b80\u5355\u76f4\u63a5\u7684\u65b9\u5f0f\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u5728\u5b57\u7b26\u4e32\u4e2d\u6307\u5b9a\u5b57\u7b26\u8fdb\u884c\u66ff\u6362\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u63cf\u8ff0\u8fd9\u4e2a\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4f7f\u7528replace<\/code>\u65b9\u6cd5\u53bb\u9664\u5355\u5f15\u53f7\u975e\u5e38\u7b80\u5355\u3002\u5047\u8bbe\u6709\u4e00\u4e2a\u5305\u542b\u5355\u5f15\u53f7\u7684\u5b57\u7b26\u4e32my_string<\/code>\uff0c\u8981\u53bb\u9664\u5176\u4e2d\u7684\u6240\u6709\u5355\u5f15\u53f7\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n

my_string = "Hello, 'world'!"<\/p>\n
my_string = my_string.replace("'", "")<\/p>\n
print(my_string)  # \u8f93\u51fa: Hello, world!<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0creplace<\/code>\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u8981\u66ff\u6362\u7684\u5b57\u7b26\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u66ff\u6362\u540e\u7684\u5b57\u7b26\uff08\u7a7a\u5b57\u7b26\u4e32""<\/code>\uff09\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u6240\u6709\u7684\u5355\u5f15\u53f7\u3002<\/p>\n<\/p>\n
\n
\u4e00\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u7684REPLACE\u65b9\u6cd5<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u5b57\u7b26\u4e32\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u8fd9\u610f\u5473\u7740\u4efb\u4f55\u5b57\u7b26\u4e32\u64cd\u4f5c\u90fd\u4e0d\u4f1a\u6539\u53d8\u539f\u6709\u5b57\u7b26\u4e32\uff0c\u800c\u662f\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32\u3002replace<\/code>\u65b9\u6cd5\u662f\u6700\u5e38\u7528\u7684\u53bb\u9664\u6216\u66ff\u6362\u5b57\u7b26\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002<\/p>\n<\/p>\n
1.1 \u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n
replace<\/code>\u65b9\u6cd5\u7684\u57fa\u672c\u7528\u6cd5\u662fstr.replace(old, new[, count])<\/code>\uff0c\u5176\u4e2dold<\/code>\u662f\u8981\u66ff\u6362\u7684\u65e7\u5b50\u5b57\u7b26\u4e32\uff0cnew<\/code>\u662f\u66ff\u6362\u540e\u7684\u65b0\u5b50\u5b57\u7b26\u4e32\uff0ccount<\/code>\u662f\u53ef\u9009\u53c2\u6570\uff0c\u8868\u793a\u66ff\u6362\u7684\u6b21\u6570\u3002<\/p>\n<\/p>\n
original_string = "'Python' is a 'great' language."<\/p>\n
modified_string = original_string.replace("'", "")<\/p>\n
print(modified_string)  # \u8f93\u51fa: Python is a great language.<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6240\u6709\u7684\u5355\u5f15\u53f7\u90fd\u88ab\u66ff\u6362\u6210\u4e86\u7a7a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
1.2 \u4f7f\u7528COUNT\u53c2\u6570<\/h4>\n<\/p>\n
\u6709\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u80fd\u53ea\u60f3\u66ff\u6362\u524d\u51e0\u4e2a\u5355\u5f15\u53f7\uff0c\u8fd9\u65f6\u53ef\u4ee5\u4f7f\u7528count<\/code>\u53c2\u6570\u6765\u9650\u5236\u66ff\u6362\u7684\u6b21\u6570\u3002<\/p>\n<\/p>\n
original_string = "'Python' is a 'great' language."<\/p>\n
modified_string = original_string.replace("'", "", 2)<\/p>\n
print(modified_string)  # \u8f93\u51fa: Python is a 'great' language.<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u91cc\u4ec5\u66ff\u6362\u4e86\u524d\u4e24\u4e2a\u5355\u5f15\u53f7\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/h3>\n<\/p>\n
\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u5904\u7406\u5b57\u7b26\u4e32\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u9002\u5408\u7528\u4e8e\u66f4\u590d\u6742\u7684\u5b57\u7b26\u4e32\u66ff\u6362\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
2.1 \u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n
Python\u7684re<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u652f\u6301\u3002\u8981\u53bb\u9664\u5355\u5f15\u53f7\uff0c\u53ef\u4ee5\u4f7f\u7528re.sub<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
import re<\/p>\n
original_string = "'Python' is a 'great' language."<\/p>\n
modified_string = re.sub(r"'", "", original_string)<\/p>\n
print(modified_string)  # \u8f93\u51fa: Python is a great language.<\/p>\n
<\/code><\/pre>\n<\/p>\n
2.2 \u5339\u914d\u7279\u5b9a\u6a21\u5f0f<\/h4>\n<\/p>\n
\u5982\u679c\u53ea\u60f3\u53bb\u9664\u67d0\u79cd\u7279\u5b9a\u6a21\u5f0f\u7684\u5355\u5f15\u53f7\uff0c\u6bd4\u5982\u5355\u5f15\u53f7\u5185\u662f\u5b57\u6bcd\u6216\u6570\u5b57\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u6a21\u5f0f\u5339\u914d\u3002<\/p>\n<\/p>\n
import re<\/p>\n
original_string = "'Python' is a 'great' language."<\/p>\n
\u53ea\u53bb\u9664\u5355\u5f15\u53f7\u5185\u662f\u5b57\u6bcd\u7684\u90e8\u5206<\/strong><\/h2>\n
modified_string = re.sub(r"'(\\w+)'", r"\\1", original_string)<\/p>\n
print(modified_string)  # \u8f93\u51fa: Python is a great language.<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u5207\u7247<\/h3>\n<\/p>\n
\u5bf9\u4e8e\u4e00\u4e9b\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\uff0c\u5982\u53bb\u9664\u5f00\u5934\u6216\u7ed3\u5c3e\u7684\u5355\u5f15\u53f7\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u5207\u7247\u3002<\/p>\n<\/p>\n
3.1 \u53bb\u9664\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u5355\u5f15\u53f7<\/h4>\n<\/p>\n
original_string = "'Hello, world!'"<\/p>\n
\u53bb\u9664\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u5355\u5f15\u53f7<\/strong><\/h2>\n
if original_string.startswith("'") and original_string.endswith("'"):<\/p>\n
    modified_string = original_string[1:-1]<\/p>\n
else:<\/p>\n
    modified_string = original_string<\/p>\n
print(modified_string)  # \u8f93\u51fa: Hello, world!<\/p>\n
<\/code><\/pre>\n<\/p>\n
3.2 \u53bb\u9664\u7279\u5b9a\u4f4d\u7f6e\u7684\u5355\u5f15\u53f7<\/h4>\n<\/p>\n
\u5982\u679c\u77e5\u9053\u5355\u5f15\u53f7\u7684\u4f4d\u7f6e\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u76f4\u63a5\u53bb\u9664\u3002<\/p>\n<\/p>\n
original_string = "He'llo, wo'rld!"<\/p>\n
\u53bb\u9664\u7279\u5b9a\u4f4d\u7f6e\u7684\u5355\u5f15\u53f7<\/strong><\/h2>\n
modified_string = original_string[:2] + original_string[3:8] + original_string[9:]<\/p>\n
print(modified_string)  # \u8f93\u51fa: Hello, world!<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u5217\u8868\u89e3\u6790\u548cJOIN\u65b9\u6cd5<\/h3>\n<\/p>\n
\u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u9700\u6c42\uff0c\u6bd4\u5982\u5728\u5904\u7406\u5305\u542b\u5355\u5f15\u53f7\u7684\u5217\u8868\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u89e3\u6790\u548cjoin<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
4.1 \u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n
\u901a\u8fc7\u5217\u8868\u89e3\u6790\u53ef\u4ee5\u8fc7\u6ee4\u6389\u5355\u5f15\u53f7\uff0c\u7136\u540e\u7528join<\/code>\u65b9\u6cd5\u62fc\u63a5\u6210\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n
original_string = "'Python' is a 'great' language."<\/p>\n
modified_string = ''.join([char for char in original_string if char != "'"])<\/p>\n
print(modified_string)  # \u8f93\u51fa: Python is a great language.<\/p>\n
<\/code><\/pre>\n<\/p>\n
4.2 \u914d\u5408\u6761\u4ef6\u5224\u65ad<\/h4>\n<\/p>\n
\u53ef\u4ee5\u5728\u5217\u8868\u89e3\u6790\u4e2d\u52a0\u5165\u6761\u4ef6\u5224\u65ad\uff0c\u4ee5\u6ee1\u8db3\u66f4\u590d\u6742\u7684\u9700\u6c42\u3002<\/p>\n<\/p>\n
original_string = "'Python' is a 'great' language."<\/p>\n
\u53ea\u53bb\u9664'Python'\u4e2d\u7684\u5355\u5f15\u53f7<\/strong><\/h2>\n
modified_string = ''.join([char for char in original_string if char != "'" or original_string.index(char) > 7])<\/p>\n
print(modified_string)  # \u8f93\u51fa: Python is a 'great' language.<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u7684TRANSLATE\u65b9\u6cd5<\/h3>\n<\/p>\n
translate<\/code>\u65b9\u6cd5\u53ef\u4ee5\u901a\u8fc7\u6620\u5c04\u8868\u6765\u66ff\u6362\u5b57\u7b26\u3002\u5b83\u9002\u5408\u540c\u65f6\u53bb\u9664\u591a\u79cd\u5b57\u7b26\u3002<\/p>\n<\/p>\n
5.1 \u521b\u5efa\u6620\u5c04\u8868<\/h4>\n<\/p>\n
\u4f7f\u7528str.maketrans<\/code>\u521b\u5efa\u6620\u5c04\u8868\uff0c\u7136\u540e\u7528translate<\/code>\u65b9\u6cd5\u8fdb\u884c\u66ff\u6362\u3002<\/p>\n<\/p>\n
original_string = "'Python' is a 'great' language."<\/p>\n
\u521b\u5efa\u6620\u5c04\u8868<\/strong><\/h2>\n
translation_table = str.maketrans("", "", "'")<\/p>\n
modified_string = original_string.translate(translation_table)<\/p>\n
print(modified_string)  # \u8f93\u51fa: Python is a great language.<\/p>\n
<\/code><\/pre>\n<\/p>\n
5.2 \u540c\u65f6\u53bb\u9664\u591a\u79cd\u5b57\u7b26<\/h4>\n<\/p>\n
\u53ef\u4ee5\u5728\u6620\u5c04\u8868\u4e2d\u6dfb\u52a0\u66f4\u591a\u5b57\u7b26\uff0c\u4ee5\u540c\u65f6\u53bb\u9664\u3002<\/p>\n<\/p>\n
original_string = "'Python' is a 'great' language."<\/p>\n
\u540c\u65f6\u53bb\u9664\u5355\u5f15\u53f7\u548c\u7a7a\u683c<\/strong><\/h2>\n
translation_table = str.maketrans("", "", "' ")<\/p>\n
modified_string = original_string.translate(translation_table)<\/p>\n
print(modified_string)  # \u8f93\u51fa: Pythonisagreatlanguage.<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u4e2d\u53bb\u9664\u5355\u5f15\u53f7\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u53ef\u8bfb\u6027\u3002replace<\/code>\u65b9\u6cd5\u7b80\u5355\u6613\u7528\uff0c\u9002\u5408\u5927\u591a\u6570\u573a\u666f\uff1b\u6b63\u5219\u8868\u8fbe\u5f0f\u9002\u5408\u590d\u6742\u6a21\u5f0f\u5339\u914d\uff1b\u5b57\u7b26\u4e32\u5207\u7247\u9002\u5408\u7b80\u5355\u4f4d\u7f6e\u66ff\u6362\uff1b\u5217\u8868\u89e3\u6790\u548cjoin<\/code>\u65b9\u6cd5\u9002\u5408\u5904\u7406\u590d\u6742\u7ed3\u6784\uff1btranslate<\/code>\u65b9\u6cd5\u9002\u5408\u540c\u65f6\u5904\u7406\u591a\u79cd\u5b57\u7b26\u3002\u4e86\u89e3\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f7f\u7528\u573a\u666f\u548c\u9650\u5236\uff0c\u53ef\u4ee5\u5e2e\u52a9\u66f4\u597d\u5730\u5904\u7406\u5b57\u7b26\u4e32\u64cd\u4f5c\u4efb\u52a1\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u5355\u5f15\u53f7\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u4f7f\u7528\u5b57\u7b26\u4e32\u7684replace()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u8f7b\u677e\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u5355\u5f15\u53f7\u3002\u4f8b\u5982\uff0cmy_string = "It's a sunny day"<\/code>\u53ef\u4ee5\u901a\u8fc7new_string = my_string.replace("'", "")<\/code>\u6765\u53bb\u9664\u5355\u5f15\u53f7\uff0c\u7ed3\u679c\u4e3a"Its a sunny day"<\/code>\u3002<\/p>\n
\u5728Python\u4e2d\uff0c\u5982\u4f55\u5904\u7406\u5305\u542b\u5355\u5f15\u53f7\u7684\u5217\u8868\u5143\u7d20\uff1f<\/strong>
\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u5217\u8868\uff0c\u5176\u4e2d\u7684\u5b57\u7b26\u4e32\u5143\u7d20\u5305\u542b\u5355\u5f15\u53f7\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u7ed3\u5408replace()<\/code>\u65b9\u6cd5\u5904\u7406\u3002\u4f8b\u5982\uff0cmy_list = ["It's", "a", "test"]<\/code>\u53ef\u4ee5\u901a\u8fc7cleaned_list = [s.replace("'", "") for s in my_list]<\/code>\u6765\u53bb\u9664\u6bcf\u4e2a\u5143\u7d20\u4e2d\u7684\u5355\u5f15\u53f7\uff0c\u6700\u7ec8\u5f97\u5230["Its", "a", "test"]<\/code>\u3002<\/p>\n
\u5728Python\u4e2d\uff0c\u6709\u54ea\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u5904\u7406\u5e26\u6709\u5355\u5f15\u53f7\u7684\u8f93\u5165\u6570\u636e\uff1f<\/strong>
\u5bf9\u4e8e\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\uff0c\u901a\u5e38\u9700\u8981\u6e05\u6d17\u4ee5\u907f\u514d\u6f5c\u5728\u7684\u9519\u8bef\u3002\u53ef\u4ee5\u4f7f\u7528strip()<\/code>\u65b9\u6cd5\u53bb\u9664\u5b57\u7b26\u4e32\u4e24\u7aef\u7684\u7a7a\u683c\u548c\u5355\u5f15\u53f7\uff0c\u6216\u8005\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f\u4f7f\u7528re.sub()<\/code>\u51fd\u6570\u6765\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u5355\u5f15\u53f7\u3002\u8fd9\u4e9b\u65b9\u6cd5\u80fd\u591f\u6709\u6548\u5904\u7406\u7528\u6237\u8f93\u5165\uff0c\u786e\u4fdd\u6570\u636e\u7684\u6574\u6d01\u6027\u4e0e\u4e00\u81f4\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u5355\u5f15\u53f7\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684replace\u65b9\u6cd5\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5b57\u7b26\u4e32\u5207\u7247\u7b49\u65b9\u6cd5\u3002 \u5176\u4e2d […]","protected":false},"author":3,"featured_media":964915,"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\/964908"}],"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=964908"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/964908\/revisions"}],"predecessor-version":[{"id":964916,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/964908\/revisions\/964916"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/964915"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=964908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=964908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=964908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}