TypeError: cannot use a string pattern on a bytes-like object

【TypeError: cannot use a string pattern on a bytes-like object】的更多相关文章

TypeError: cannot use a string pattern on a bytes-like object的解决办法

#!/usr/python3 import re import urllib.request def gethtml(url): page=urllib.request.urlopen(url) html=page.read() return html def getimg(html): reg = r'src="(.*?\.jpg)"' img=re.compile(reg) html=html.decode('utf-8') # python3 imglist=re.findall…

TypeError: cannot use a string pattern on a bytes-like object

一劳永逸解决:TypeError: cannot use a string pattern on a bytes-like object TypeError: cannot use a string pattern on a bytes-like object python2和python3之间切换,难免会碰到一些问题,有些方法比如re模块的findall要求传入的是字符串格式的参数,urllib.request.urlopen(url).read()返回的是bytes类型(这个是python3…

爬虫python3:TypeError: cannot use a string pattern on a bytes-like object

import re from common_p3 import download def crawl_sitemap(url): sitemap = download(url) links = re.findall('<loc>(.*?)</loc>',sitemap) print('links=',links) for link in links: print('link=',link) html = download(link) return crawl_sitemap('ht…

Symbols of String Pattern Matching

Symbols of String Pattern Matching in Introduction to Algorithms. As it's important to be clear when discussing the problem of string matching, we can use the meticulous symbols used in Introduction to Algorithms. Text: $T[1, ..., n]$. Pattern: $P[1,…

Python 出现 can't use a string pattern on a bytes-like object

Python 出现 can't use a string pattern on a bytes-like object 学习了:https://www.cnblogs.com/andrewleeeeee/p/6444906.html data = data.decode('utf-8')…

python3 pycurl 出现 TypeError: string argument expected, got 'bytes' 解决方案

用pycurl请求指定链接并返回结果时出现 TypeError: string argument expected, got 'bytes' 错误经过排查问题出现在使用StringIO的write方法上,用BytesIO替代StringIO即可解决问题,代码如下:…

int preg_match( string pattern

preg_match -- 进行正则表达式匹配.并且只匹配一次,注意与preg_match_all区别. int preg_match( string pattern, string subject [, array matches [, int flags]] ) 在 subject 字符串中搜索与pattern给出的正则表达式相匹配的内容. 如果提供了 matches,则其会被搜索的结果所填充.$matches[0] 将包含与整个模式匹配的文本,$matches[1] 将包含与第一个捕获的括…