python regex
import re # Regex Cheat sheet : https://www.dataquest.io/blog/regex-cheatsheet/ # Regex python tester : https://pythex.org/ # re doc : https://docs.python.org/3/library/re.html text = "i like train" reg = r"[a-c]" #the group of char a to c if re.match(reg, text): #Check if regex is correct print(text) else: print("Not any match")