请问python中如何通过判断是否存在指定tag,截取tag中包含的内容

Question

//FEATURE_COMMON @{import java.util.List;public class Test{List<String> list=new ArrayList<String>();}//@} FEATURE_COMMON//FEATURE_PLAY_STATE @{public int count(){return 20;}//@} FEATURE_PLAY_STATE//FEATURE_PLAY_MEDIA @{public int sum() {return 200;}//@} FEATURE_PLAY_MEDIA//FEATURE_COMMON @{}//@} FEATURE_COMMON通过判断Tag(//FEATURE_COMMON @{等)是否存在，取出这样一对//FEATURE_COMMON @{ .... //@} FEATURE_COMMON 中的内容

Answer 1

>>>s=""//FEATURE_COMMOAN @{
........
........"""
>>> import re
>>> reg=re.compile(r"//FEATURE_COMMON\s+@\{(.*?)//@\}\s+FEATURE_COMMON",re.DOTALL)
>>> reg.findall(s)