If the keyword does not match by 100%, then the result is 0

![res_1|690x483](upload://gTFai3hNj1uEyneHPnrHxItKvPh.png)![res_3|690x478](upload://gwMTabzne0utPAWocUKDLKa8HYE.png)![res_2|690x488](upload://4a2at3wdcWNs3YVa0VaQyW4i2al.png)

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