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直观全流程的正则表达式教程Interactive Practice and self-check websites RegexOne—Learn Regular Expressions with simple, interactive exercises.生成检查正则表达式Practice01-Matching NumbersPractice02-Matching Phone Numberspractice03-Matching Emailspractice05-Extracting Data FRom URLspractice06-Matching Specific filenamespractice07-Matching Linespractice08-Re ModuleCompile Flag(编译标志)Practical ProjectReference
直观全流程的正则表达式教程
用 Python 和正则表达式抽取文本结构化信息 - 少数派Interactive Practice and self-check websites
RegexOne—Learn Regular Expressions with simple, interactive exercises.
生成检查正则表达式
Practice01-Matching Numbers
Practice02-Matching Phone Numbers
practice03-Matching Emails
practice04-Matching HTML
practice05-Extracting Data FRom URLs
practice06-Matching Specific filenames
practice07-Matching Lines
practice08-
Re Module
- re.search()
For data analysis, the emphasis is the existence of a specified period of characteristics
2. re.match() Validation 从首字母就开始匹配， 和^...$作用类似
Graphical interfere will accept input info and match data stored in the repoistory
3. findall() if succeed ,return list, if not nreturn none
4. finditer() return callable_iterator object if succeed
5. re.split()
re.split(pat,str,maxspliy=0,flag=0)
6. re.sub()
re.sub(pat,repl,string,count=0,flags=0)
7. Compile Regula Expression re.compile(pat,flags=0)
Compile Flag(编译标志)
- Ascll 表和Unicode
2. Case-insensitive
3. 点（.）匹配换行符以外的所有字符
4. 多行模式，任意一行的开始或者结束匹配就行
5. 详细模式，可以以注释的方式写正则表达式，便于阅读
Practical Project
Reference
- Author:felixfixit
- URL:http://www.felixmicrospace.top/article/python_re
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