[Python] Match all lines with a pattern after a text until pattern matching failure regex

I have a text:


{{Verkleinerungsformen}}
:[1] [[Äpfelchen]], [[Äpfelein]], [[Äpflein]]

{{Oberbegriffe}}
:[1] [[Kernobst]], [[Obst]]; [[Frucht]]
:[4] [[Kot]]
:[7] [[Gut]]

{{Unterbegriffe}}
:[1] [[Augustapfel]], [[Bohnapfel]], [[Bratapfel]], [[Essapfel]], [[Fallapfel]],




I'm interested in extracting all items under {{Oberbegriffe}} that have the pattern [[Text]] including all lines until it reach another line that does not have :[NUMBER-HERE] at the begin

so in the above example it should return an array of these strings:

Kernobst, Obst, Frucht, Kot, Gut

what I have tried is:

re.search(r'{{Oberbegriffe}}\n(?::?\n)?([^\n]+)', text)

But it matches only the full first line. It's ok if there is a way to extract all lines with the pattern and it retruns this string

:[1] [[Kernobst]], [[Obst]]; [[Frucht]]
:[4] [[Kot]]
:[7] [[Gut]]

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