【工具】正则表达式

在线测试工具
http://tool.oschina.net/regex/
https://c.runoob.com/front-end/854

语法查找表
http://tool.oschina.net/uploads/apidocs/jquery/regexp.html

python正则教程
http://www.runoob.com/python/python-reg-expressions.html
https://www.cnblogs.com/greatfish/p/7572131.html

常用正则语句
http://www.cnblogs.com/zxin/archive/2013/01/26/2877765.html

import re

ss=r'POLYGON ((35 10,45 45,15 40,10 20,35 10),(20 30,35 35,30 20,20 30))'

xx=r'(?<=\().*(?=\))'

pa=re.compile(xx)

res=pa.findall(ss)

res

['(35 10,45 45,15 40,10 20,35 10),(20 30,35 35,30 20,20 30)']