python – Regular expression to check if string matches pattern

I need help writing a regular expression to check strings whether they include a pattern like this: [xx.xx] where x can be any integer. (0-9)

Example:

• Test [12.34] -> true

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• Test [1234] ->false

>Solution :

[0-9]{2} will match only two digits
\. will match one dot, use escape since . means in regex any character

import re
pattern = re.compile("^\[[0-9]{2}\.[0-9]{2}\]$")
print(bool(pattern.match("[12.34]")))#-> True
print(bool(pattern.match("[1234]")))#-> False