from tkinter import *
import re
root = Tk()
root.geometry("400x400")
root.resizable(0, 0)
root.config(bg="#103030")
root.title("Match found")
titulo = Label(text="Match found",
               font=("Arial", "30", "bold"), bg="#103030", fg="#49e3e3")
titulo.place(relx=0.15, rely=0.05)
sub1 = Label(text="Expressão",
               font=("Arial", "18", "bold"), bg="#103030", fg="#49e3e3")
sub1.place(relx=0.05, rely=0.3)
expressão = StringVar()
expressão_entrada = Entry(textvariable=expressão,
                      font=("Arial", "12", "bold"),
                      bg="white", fg="blue", justify='center')
expressão_entrada.place(relx=0.45, rely=0.32, relwidth=0.5)


sub2 = Label(text="Palavra",
               font=("Arial", "18", "bold"), bg="#103030", fg="#49e3e3")
sub2.place(relx=0.05, rely=0.45)
palavra = StringVar()
palavra_entrada = Entry(textvariable=palavra,
                      font=("Arial", "12", "bold"),
                      bg="white", fg="blue", justify='center')
palavra_entrada.place(relx=0.45, rely=0.48, relwidth=0.5)


def limpar():
    expressão_entrada.delete(0,END)
    palavra_entrada.delete(0,END)
    resultado_texto.config(text="")
def app():
    e = expressão.get()
    p = palavra.get()
    pattern = fr"{e}"

    if re.match(pattern, p):

        mensagem="Match found."
    else:
        mensagem="No match found."
    resultado_texto.config(text=mensagem)
but1 = Button(text="Mostrar", bd=2, bg='#107db2', fg='white',
              font=('verdana', 12, 'bold'), command=app)
but1.place(relx=0.1, rely=0.58, relwidth=0.25, relheight=0.1)

but_limpar = Button(text="Limpar", bd=2, bg='#107db2', fg='white',
                    font=('verdana', 12, 'bold'), command=limpar)
but_limpar.place(relx=0.4, rely=0.58, relwidth=0.25, relheight=0.1)

but_sair = Button(text="Sair", bd=2, bg='#107db2', fg='white',
                  font=('verdana', 12, 'bold'), command=root.destroy)
but_sair.place(relx=0.7, rely=0.58, relwidth=0.25, relheight=0.1)
expressão_entrada.focus()

resultado_texto = Label(font=("Arial", 12, "bold"), bg="#cfe2f3")
resultado_texto.place(relx=0.05, rely=0.75, relwidth=0.9, relheight=0.15)
root.mainloop()