How to validate name in Python Tkinter using regex?

 

test1.py

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

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


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


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

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


app.mainloop()

regex.py

import re

def namevalidation(name):
    regex=re.compile("^([a-zA-Z]{2,}\s[a-zA-Z]{1,}'?-?[a-zA-Z]{2,}\s?([a-zA-Z]{1,})?)")
    if re.fullmatch(regex, name):
        nameResult=True
    else:
        nameResult=False
    return nameResult

Output