[clang-tools-extra] [clang-tidy] Add llvm-regex check (PR #207407)

[Zeyi Xu via cfe-commits]

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@@ -0,0 +1,33 @@
+//===--- RegexCheck.h - clang-tidy ------------------------------*- C++ -*-===//
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zeyi2 wrote:

```suggestion
//===----------------------------------------------------------------------===//
```

https://github.com/llvm/llvm-project/pull/207407