后端开发|Python教程
python,re模块
后端开发-Python教程
快速入门
移动电子商城 源码,vscode调换位置快捷键,ubuntu突然消失,tomcat正常访问但网址,网络爬虫领域,php html转jpg,seo技术教学课程霸屏推广lzw
import repattern = his ext = Does this text match the pattern?match = re.search(pattern, text)s = match.start()e = match.end()print(Found "{0}"\nin "{1}".format(match.re.pattern, match.string))print(from {0} to {1} ("{2}").format( s, e, text[s:e]))
手机 asp 源码,mac删除ubuntu引导,更换tomcat包注意事项,爬虫 编码 中文,php考生登录实训步骤,SEO实验小结lzw
执行结果:
企业网站平台源码,ubuntu所有历史命令,python 0基础爬虫,php josql,云浮seo引流lzw
#python re_simple_match.py Found "this"in "Does this text match the pattern?"from 5 to 9 ("this")import re# Precompile the patternsregexes = [ pile(p) for p in ( his, hat)]text = Does this text match the pattern?print(Text: {0}\n.format(text))for regex in regexes: if regex.search(text): result = match! else: result = o match!print(Seeking "{0}" -> {1}.format(regex.pattern, result))
执行结果:
#python re_simple_compiled.py Text: Does this text match the pattern?Seeking "this" -> match!Seeking "that" -> no match!import retext = abbaaabbbbaaaaapattern = abfor match in re.findall(pattern, text): print(Found "{0}".format(match))
执行结果:
#python re_findall.py Found "ab"Found "ab"import retext = abbaaabbbbaaaaapattern = abfor match in re.finditer(pattern, text): s = match.start() e = match.end() print(Found "{0}" at {1}:{2}.format(text[s:e], s, e))
执行结果:
#python re_finditer.py Found "ab" at 0:2Found "ab" at 5:7