[clang-tools-extra] [clang-tidy][NFC] Clarify some options use regex to matching in doc (1/N) (PR #161142)

[via cfe-commits]

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@@ -62,12 +62,12 @@ Options
 
 .. option:: StrFormatLikeFunctions
 
-   A semicolon-separated list of (fully qualified) function names to
-   replace, with the requirement that the first parameter contains the
-   printf-style format string and the arguments to be formatted follow
-   immediately afterwards. Qualified member function names are supported,
-   but the replacement function name must be unqualified. The default value
-   for this option is `absl::StrFormat`.
+   A semicolon-separated list of regular expressions matching the 
+   (fully qualified) names of functions to replace, with the requirement that
+   the first parameter contains the printf-style format string and the
+   arguments to be formatted follow immediately afterwards. Qualified member
+   function names are supported, but the replacement function name must be
+   unqualified. The default value for this option is `absl::StrFormat`.
----------------
EugeneZelenko wrote:

```suggestion
   unqualified. The default value is `absl::StrFormat`.
```

https://github.com/llvm/llvm-project/pull/161142