How to validate password in Python Tkinter using regex?

 

test1.py

from tkinter import *
from tkinter import messagebox
from test.regex import passwordvalidation

app=Tk()
app.geometry("500x400")
app.title("Hancie e-Learning Studio")


def check():
    txt = text.get()
    passwordResult=passwordvalidation(txt)
    if passwordResult==True:
        messagebox.showinfo("Info","The password is valid")
    else:
        messagebox.showerror("Error","Invalid password")


text=Entry(app,font=("Times New Roman",16))
text.pack()

btn=Button(app,text="Check Password",font=("Times New Roman",16), command=check)
btn.pack()


app.mainloop()

regex.py

import re

def passwordvalidation(password):

    #Minimum eight characters, at least one uppercase letter,
    # one lowercase letter, one number and one special character
    regex=re.compile("^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$")
    if re.fullmatch(regex, password):
        passwordResult=True
    else:
        passwordResult=False
    return passwordResult

Output