python 正则表达式

(1)的正则表达式查找如下字符串中，sid：900001这个字符串

alert tls any any -> any any (msg:”Source Test2”; tls.fingerprint:”2b:0a:76:17:8c:be:81:a7:c1:76:27:fd:36:15:da:09:0c:74:78:99”;sid:9000001;rev:1;)

(1)的正则表达式查找如下字符串中，括号内字符串：(msg:”Source Test2”; tls.fingerprint:”2b:0a:76:17:8c:be:81:a7:c1:76:27:fd:36:15:da:09:0c:74:78:99”;sid:9000001;rev:1;)

def add_custom_rules(request):
frule = open('rules/aaa.txt')
content = frule.readlines()
max_sid = 0
for line in content:
try:
#print line
#(1)
strsid = re.search('sid:9[0-9]{6}', line).group()
#2
rmsg = re.findall('\((.*?)\)', line)[0]
sidflag,sid = strsid.split(':')
if max_sid < int(sid):
max_sid = int(sid)
except:
pass
#print("no custom rules")