B is the correct answer.
Version\s+: This part matches the literal string "Version" followed by one or more whitespace characters.
(\d+.\d+.\d+): This part captures a group of digits, followed by a dot, followed by another group of digits, followed by a dot, and finally another group of digits. This matches the version number format "X.Y.Z".
The parentheses () capture the version number, which can then be extracted and used for further processing.
P.S. Answer 'A' would match any character after "Version", including spaces and punctuation, which is not what we want.
actually A would match 0 or more ocurrences of the character "." due to having the backslash. For A to be a possible answer it should be "Version (.*)"
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