how to make joker character for replaceAll in flutter?

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暗喜
暗喜 2021-01-02 23:20

a={V5-C: true, V5-B: false, V5-A: true, Z5-A: false, Z5-C: false, O5-C: true, Z5-B: false, O5-A: true, O5-B: false} b=a.toString().replaceAll(‘O????true’, "");

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