web crawler for email addresses

first bracket matching part, Group (2) lists the second bracket matching part.Re.search methodRe.search scans the entire string and returns the first successful match.Re.match matches only the beginning of the string, if the string does not begin to conform to the regular expression, the match fails, the function returns none, and Re.search matches the entire string until a match is found.Importreline="Cats is smarter than dogs"; Matchobj= Re.match (r'Dogs', line, re. m|Re. I)ifMatchobj:Print("

ImportReImporturllib.request#------ways to get Web page source code---defgethtml (URL): page=urllib.request.urlopen (URL) HTML=Page.read ()returnHTML#Enter the URL of any post------gethtml ()------html = gethtml ("https://tieba.baidu.com/p/5352556650")#------Modify the character encoding within the HTML object to UTF-8------html = Html.decode ('UTF-8')#------How to get all the picture addresses in a post---

/ 537.36 ',"Accept-language": "zh-cn,zh;q=0.8","Accept-encoding": "gzip, deflate","Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8"}Url2= ' Http://passport.csdn.net/account/login '"To set up a session, which will save the cookie in the interaction and send it in the interactive process."R=requests. Session ()S2=r.get (URL2)Html=beautifulsoup (S2.text, "Html.parser")"' to crawl the value of lt,execution by means of BeautifulSoup."For input in Html.find_all ('

The code is as followsPackage Game;import Java.io.bufferedreader;import Java.io.file;import java.io.fileinputstream;import Java.io.ioexception;import Java.io.inputstreamreader;import Java.util.regex.matcher;import Java.util.regex.pattern;public class Main {public static void Main (string[] args) throws IOException { file file =new File ("d:\\index.html"); BufferedReader buf=new BufferedReader (New InputStreamReader (new FileInputStream (file)); String Str=null; Str