troubleshooting Question

A question about Regrex

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dominicwong asked on
4 Comments3 Solutions190 ViewsLast Modified:
Hi experts
I am using this regrex expression:

My intention was to restricted inputs to '0'-'9', 'A'-'F', 'I', 'X', '#', '*'.
But it still allows me to enter 'G', 'H', etc.
Could someone tell me where I had done incorrectly.

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