Feature: 支持 re.Match 依赖注入

[yanyongyu]

related #1453

[github-actions]

🚀 Deployed on https://deploy-preview-1950--nonebot2.netlify.app

[codecov]

Codecov Report

Merging #1950 (ecbe34c) into master (6173836) will decrease coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1950      +/-   ##
==========================================
- Coverage   88.63%   88.59%   -0.04%     
==========================================
  Files          45       45              
  Lines        3247     3236      -11     
==========================================
- Hits         2878     2867      -11     
  Misses        369      369              

Flag	Coverage Δ
unittests	88.59% <100.00%> (-0.04%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
nonebot/consts.py	100.00% <ø> (ø)
nonebot/params.py	100.00% <100.00%> (ø)
nonebot/rule.py	97.59% <100.00%> (-0.03%)	⬇️

[mnixry]

LGTM，但是根据搜索结果，好像现在仍然在依赖RegexMatched返回的str的插件还挺多的，没问题嘛

/cc @A-kirami

[yanyongyu]

还有依赖regex matched的str的插件？

[A-kirami]

LGTM，但是根据搜索结果，好像现在仍然在依赖RegexMatched返回的str的插件还挺多的，没问题嘛

/cc @A-kirami

在搜索结果中，注入了RegexMatched()的共计15个仓库，排除掉nb2自身，仅14个。
而在这14个之中，仅有7个是nb2插件，再排除掉不在目前nb2商店中的，仅余下6个，其中5个插件更是同一作者。
我觉得这种情况来看，依赖RegexMatched的插件实在不能算多。