"Python Core" Code project 91 - Phone Number Validator

Question

In course "Python Core" Code project 91 - Phone Number Validator
2 variants of code behaves strangely at https://www.sololearn.com/learning/eom-project/1073/356
1 variant Code
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import re
#your code goes here
pattern = r"\A[189][0-9][0-9][0-9][0-9][0-9][0-9][0-9]\Z"

if re.match(pattern, "57345672"):
print ("Valid")
else:
print ("Invalid")
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and
2 variant
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import re
#your code goes here
pattern = r"[189]\d{7}

Answer 1

Dmitry Arkhangelsky ,

for me it looks like the code should work properly

Answer 2

Can't understand what's wrong with it