input_id = request.POST.get('post_id')
input_pid = request.POST.get('post_pid')
where id like "\%%s" and pid like "\%%s”%(input_id if input_id else "",input_pid if input_pid else '')
string = "lll:zzsda1:like:dd,cc,z1s:eq:d8c2:like::e5,42c:like:88,99"p = re.compile(r'(?<=)((?:(?!:(like|eq):).)*:(like|eq):(?:(?!:(like|eq):).)*)(?=(|$))')
result = p.findall(string)
for ele in result:
print ele[0]