def extract_code(self,regExMain,regExRemove): #expression with coupon code exp = re.search(regExMain,self.tweet) if not exp: return None #if pattern match was found, remove words 'coupon code' and extract just the code answer = exp.group(0) answer = ' '.join([word for word in answer.split() if word.lower() not in stopwords.stopwords]) if 'Expires' in answer or 'ends' in answer: print answer code = re.sub(regExRemove,'',answer) #trimquotes code = Utilities.trimquotes(code) if code.isdigit() or code == '' or code.lower() in stopwords.stopwords: return return code
