import pandas import csv import re #data_df = pandas.read_csv("values_LH.csv", sep=",") #print(data_df.head(3)) #data = data_df[["X1","Y1","X2","Y2"]] #print(data) def read_csv(file): text = [] with open(file, 'r') as csvFile: reader = csv.reader(csvFile, delimiter=",") for row in reader: text.append(row[2]) csvFile.close() ###extract ISOs matches = [] regex = r"(ISO\s\d\d\d\d?\W?\d?\W?\d?\W?\d?)" for line in text: match = re.findall(regex, line) if match: matches.append(match) print(matches) return text