python - \Z doesn't match end of string -

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i have regex (?p<url>http.{1,}?[\s)\z]) find url ending in \s character, close parenthesis, or end of string, matches first 2 cases.

how match third (end of string)?

\z doesn't work inside character sets - matches z (most features disabled inside character class, including ., +, etc. other character classes work: \w, \d, etc).
want use alternation: (?:[\s)]|\z).

in addition, .{1,}? same .+?, whole pattern can written as

(?p<url>http.+?(?:[\s)]|\z))

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