{"id":1024626,"date":"2024-12-30T14:15:25","date_gmt":"2024-12-30T06:15:25","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1024626.html"},"modified":"2024-12-30T14:15:27","modified_gmt":"2024-12-30T06:15:27","slug":"python%e5%a6%82%e4%bd%95%e5%8e%bb%e9%99%a4%e5%ad%97%e7%ac%a6%e7%a9%ba%e6%a0%bc-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1024626.html","title":{"rendered":"python\u5982\u4f55\u53bb\u9664\u5b57\u7b26\u7a7a\u683c"},"content":{"rendered":"

\"python\u5982\u4f55\u53bb\u9664\u5b57\u7b26\u7a7a\u683c\"<\/p>\n

Python\u53bb\u9664\u5b57\u7b26\u7a7a\u683c\u7684\u51e0\u79cd\u65b9\u6cd5<\/strong>\uff1astrip()\u65b9\u6cd5\u3001lstrip()\u65b9\u6cd5\u3001rstrip()\u65b9\u6cd5\u3001replace()\u65b9\u6cd5\u3001\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong>\u3002\u5176\u4e2d\uff0cstrip()<\/strong> \u65b9\u6cd5\u662f\u6700\u5e38\u7528\u4e14\u9ad8\u6548\u7684\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u540c\u65f6\u53bb\u9664\u5b57\u7b26\u4e32\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u7a7a\u683c\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f7f\u7528\u53ca\u5176\u7279\u70b9\u3002<\/p>\n<\/p>\n

\u4e00\u3001strip()\u65b9\u6cd5<\/h3>\n<\/p>\n

strip()<\/code> \u65b9\u6cd5\u662fPython\u4e2d\u7528\u4e8e\u53bb\u9664\u5b57\u7b26\u4e32\u5f00\u5934\u548c\u7ed3\u5c3e\u7a7a\u683c\u7684\u6700\u5e38\u7528\u65b9\u6cd5\u3002\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u53bb\u9664\u7a7a\u683c\uff0c\u8fd8\u53ef\u4ee5\u53bb\u9664\u6307\u5b9a\u5b57\u7b26\u3002<\/p>\n<\/p>\n

str = "  Hello, World!  "<\/p>\n
print(str.strip())  # \u8f93\u51fa "Hello, World!"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528\u573a\u666f<\/h4>\n<\/p>\n
strip()<\/code> \u65b9\u6cd5\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u540c\u65f6\u6e05\u7406\u5b57\u7b26\u4e32\u5f00\u5934\u548c\u7ed3\u5c3e\u7a7a\u683c\u7684\u573a\u5408\u3002\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u53bb\u9664\u7a7a\u683c\uff0c\u8fd8\u53ef\u4ee5\u53bb\u9664\u4efb\u4f55\u6307\u5b9a\u7684\u5b57\u7b26\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
str = "++Hello, World!++"<\/p>\n
print(str.strip('+'))  # \u8f93\u51fa "Hello, World!"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001lstrip()\u65b9\u6cd5<\/h3>\n<\/p>\n
lstrip()<\/code> \u65b9\u6cd5\u7528\u4e8e\u53bb\u9664\u5b57\u7b26\u4e32\u5f00\u5934\u7684\u7a7a\u683c\u6216\u6307\u5b9a\u5b57\u7b26\u3002<\/p>\n<\/p>\n
str = "  Hello, World!  "<\/p>\n
print(str.lstrip())  # \u8f93\u51fa "Hello, World!  "<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528\u573a\u666f<\/h4>\n<\/p>\n
lstrip()<\/code> \u65b9\u6cd5\u9002\u7528\u4e8e\u53ea\u9700\u8981\u53bb\u9664\u5b57\u7b26\u4e32\u5f00\u5934\u7a7a\u683c\u7684\u573a\u5408\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
str = "++Hello, World!++"<\/p>\n
print(str.lstrip('+'))  # \u8f93\u51fa "Hello, World!++"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001rstrip()\u65b9\u6cd5<\/h3>\n<\/p>\n
rstrip()<\/code> \u65b9\u6cd5\u7528\u4e8e\u53bb\u9664\u5b57\u7b26\u4e32\u7ed3\u5c3e\u7684\u7a7a\u683c\u6216\u6307\u5b9a\u5b57\u7b26\u3002<\/p>\n<\/p>\n
str = "  Hello, World!  "<\/p>\n
print(str.rstrip())  # \u8f93\u51fa "  Hello, World!"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528\u573a\u666f<\/h4>\n<\/p>\n
rstrip()<\/code> \u65b9\u6cd5\u9002\u7528\u4e8e\u53ea\u9700\u8981\u53bb\u9664\u5b57\u7b26\u4e32\u7ed3\u5c3e\u7a7a\u683c\u7684\u573a\u5408\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
str = "++Hello, World!++"<\/p>\n
print(str.rstrip('+'))  # \u8f93\u51fa "++Hello, World!"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001replace()\u65b9\u6cd5<\/h3>\n<\/p>\n
replace()<\/code> \u65b9\u6cd5\u53ef\u4ee5\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u6307\u5b9a\u5b57\u7b26\uff0c\u56e0\u6b64\u4e5f\u53ef\u4ee5\u7528\u4e8e\u53bb\u9664\u7a7a\u683c\u3002<\/p>\n<\/p>\n
str = "  Hello, World!  "<\/p>\n
print(str.replace(" ", ""))  # \u8f93\u51fa "Hello,World!"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528\u573a\u666f<\/h4>\n<\/p>\n
replace()<\/code> \u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u6240\u6709\u7a7a\u683c\u7684\u573a\u5408\u3002\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u53bb\u9664\u7a7a\u683c\uff0c\u8fd8\u53ef\u4ee5\u66ff\u6362\u4efb\u610f\u5b57\u7b26\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
str = "Hello, World!"<\/p>\n
print(str.replace("o", "0"))  # \u8f93\u51fa "Hell0, W0rld!"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\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\u53ef\u4ee5\u7528\u6765\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\u3002<\/p>\n<\/p>\n
import re<\/p>\n
str = "  Hello, World!  "<\/p>\n
print(re.sub(r"\\s+", "", str))  # \u8f93\u51fa "Hello,World!"<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528\u573a\u666f<\/h4>\n<\/p>\n
\u6b63\u5219\u8868\u8fbe\u5f0f\u9002\u7528\u4e8e\u9700\u8981\u8fdb\u884c\u590d\u6742\u5b57\u7b26\u4e32\u5904\u7406\u7684\u573a\u5408\u3002\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u53bb\u9664\u7a7a\u683c\uff0c\u8fd8\u53ef\u4ee5\u8fdb\u884c\u5404\u79cd\u590d\u6742\u7684\u5b57\u7b26\u4e32\u5339\u914d\u548c\u66ff\u6362\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
str = "Hello, World! 123"<\/p>\n
print(re.sub(r"\\d+", "", str))  # \u8f93\u51fa "Hello, World! "<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u53bb\u9664\u5b57\u7b26\u7a7a\u683c\u7684\u65b9\u6cd5\u6709\u5f88\u591a<\/strong>\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002strip()\u65b9\u6cd5<\/strong> \u662f\u6700\u5e38\u7528\u4e14\u9ad8\u6548\u7684\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u540c\u65f6\u53bb\u9664\u5b57\u7b26\u4e32\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u7a7a\u683c\u3002lstrip()<\/strong> \u548c rstrip()<\/strong> \u65b9\u6cd5\u9002\u7528\u4e8e\u53ea\u9700\u8981\u53bb\u9664\u5b57\u7b26\u4e32\u5f00\u5934\u6216\u7ed3\u5c3e\u7a7a\u683c\u7684\u573a\u5408\u3002replace()\u65b9\u6cd5<\/strong> \u53ef\u4ee5\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u4efb\u610f\u5b57\u7b26\uff0c\u56e0\u6b64\u4e5f\u53ef\u4ee5\u7528\u6765\u53bb\u9664\u7a7a\u683c\u3002\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong> \u662f\u5904\u7406\u5b57\u7b26\u4e32\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u9002\u7528\u4e8e\u9700\u8981\u8fdb\u884c\u590d\u6742\u5b57\u7b26\u4e32\u5904\u7406\u7684\u573a\u5408\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\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\u4f7f\u7528Python\u5220\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u7a7a\u683c\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528replace()<\/code>\u65b9\u6cd5\u6765\u5220\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u7a7a\u683c\u3002\u6bd4\u5982\uff0cmy_string.replace(" ", "")<\/code>\u4f1a\u5c06\u6240\u6709\u7a7a\u683c\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u8fbe\u5230\u53bb\u9664\u7a7a\u683c\u7684\u76ee\u7684\u3002\u6b64\u5916\uff0c\u4f7f\u7528join()<\/code>\u548csplit()<\/code>\u65b9\u6cd5\u7ec4\u5408\u4e5f\u53ef\u4ee5\u6709\u6548\u53bb\u9664\u7a7a\u683c\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
my_string = " Hello World "\nno_spaces = "".join(my_string.split())\n<\/code><\/pre>\n
Python\u4e2d\u6709\u54ea\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u53bb\u9664\u5b57\u7b26\u4e32\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u7a7a\u683c\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528strip()<\/code>\u65b9\u6cd5\u6765\u53bb\u9664\u5b57\u7b26\u4e32\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u7a7a\u683c\u3002\u8fd9\u4e2a\u65b9\u6cd5\u975e\u5e38\u7b80\u5355\uff0c\u4f7f\u7528\u793a\u4f8b\uff1amy_string.strip()<\/code>\u4f1a\u5220\u9664\u5b57\u7b26\u4e32\u9996\u5c3e\u7684\u7a7a\u683c\u3002\u5982\u679c\u53ea\u60f3\u53bb\u9664\u5f00\u5934\u7684\u7a7a\u683c\uff0c\u53ef\u4ee5\u4f7f\u7528lstrip()<\/code>\u65b9\u6cd5\uff0c\u800c\u5982\u679c\u53ea\u60f3\u53bb\u9664\u7ed3\u5c3e\u7684\u7a7a\u683c\uff0c\u53ef\u4ee5\u4f7f\u7528rstrip()<\/code>\u65b9\u6cd5\u3002<\/p>\n
\u5982\u679c\u5b57\u7b26\u4e32\u4e2d\u6709\u591a\u4e2a\u8fde\u7eed\u7a7a\u683c\uff0c\u5982\u4f55\u53ea\u4fdd\u7559\u4e00\u4e2a\u7a7a\u683c\uff1f<\/strong>
\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528re<\/code>\u6a21\u5757\u4e2d\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5904\u7406\u3002re.sub()<\/code>\u53ef\u4ee5\u7528\u6765\u66ff\u6362\u591a\u4e2a\u7a7a\u683c\u4e3a\u4e00\u4e2a\u7a7a\u683c\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
import re\nmy_string = "This  is   a test    string."\nsingle_space = re.sub(r'\\s+', ' ', my_string)\n<\/code><\/pre>\n
\u8fd9\u6837\uff0c\u6240\u6709\u8fde\u7eed\u7684\u7a7a\u683c\u90fd\u4f1a\u88ab\u66ff\u6362\u4e3a\u4e00\u4e2a\u7a7a\u683c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u53bb\u9664\u5b57\u7b26\u7a7a\u683c\u7684\u51e0\u79cd\u65b9\u6cd5\uff1astrip()\u65b9\u6cd5\u3001lstrip()\u65b9\u6cd5\u3001rstrip()\u65b9\u6cd5\u3001repla […]","protected":false},"author":3,"featured_media":1024634,"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\/1024626"}],"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=1024626"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1024626\/revisions"}],"predecessor-version":[{"id":1024637,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1024626\/revisions\/1024637"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1024634"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1024626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1024626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1024626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}