Please, tell my why it gives an error "Non value for arument 'string' in function call"?

Question

I have to check the Phone number with 1or 8 or 9 and consists of 8 digits:
import re
#введите код сюда
matched =re.match(r'^((\d[1|8|9])\d{8})+

Answer 1

Acc. to ur desc, the pattern should be,

^[189]\d{7}$

Answer 2

Welcome Elena Varvarchuk !
An alternative to the pattern would be using separator ( | ) which is what I guess, you were trying...
It would be,

^(1|8|9)\d{7}$

Answer 3

I think you forgot to take input and pass it to match function.

re.match("Your Pattern","Input String")

So in your case
string = input()
matched = re.match(Your Pattern, string)
Hope It Helps You 😊

Answer 4

спасибо) пока С# разбираю)) но по тихоньку буду приступать к питону))

Answer 5

Начинай, программирование это весело)

Answer 6

i think to start object model pyton) подсказать не могу , пока ещё не начал изучать pyton 3)

Answer 7

Can somone help with the regex, all time throwing "Nonvalid"

Answer 8

@vrintle thank you very much!