import re
ss = ['count_EVENT_GENRE in [1,2,3,4,5]','coint_EVENT_GENRE = "ROMANCE"']
for s in ss:
field = re.split(r'[=><]=?|\b(?:in|like)\b', s)[0].strip()
print(field)
aW1wb3J0IHJlCnNzID0gWydjb3VudF9FVkVOVF9HRU5SRSBpbiBbMSwyLDMsNCw1XScsJ2NvaW50X0VWRU5UX0dFTlJFID0gIlJPTUFOQ0UiJ10KZm9yIHMgaW4gc3M6CglmaWVsZCA9IHJlLnNwbGl0KHInWz0+PF09P3xcYig/OmlufGxpa2UpXGInLCBzKVswXS5zdHJpcCgpCglwcmludChmaWVsZCk=