Use regex for tag_pattern

[PoisonPhang]

Is your feature request related to a problem? Please describe.

I find myself struggling to define a sem-version filter using basic glob filtering that is used when parsing tag_pattern. This is especially annoying when all other tag filtering fields (skip_tags and ignore_tags) use regex.

Describe the solution you'd like

It would be great if we could use regex (or even extglob) to define tag_pattern.

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[woshilapin]

I'll take a stab at this one.