[clang] [clang][ASTMatcher] Add matcher for 'matches' (PR #102152)

[Ding Fei via cfe-commits]

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@@ -5582,6 +5582,20 @@ <h2 id="narrowing-matchers">Narrowing Matchers</h2>
 </pre></td></tr>
 
 
+<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1StringLiteral.html">StringLiteral</a>></td><td class="name" onclick="toggle('matches0')"><a name="matchesName0A">matches</a></td><td>StringRef RegExp, Regex::RegexFlags Flags = NoFlags</td></tr>
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danix800 wrote:

```suggestion
<tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1StringLiteral.html">StringLiteral</a>></td><td class="name" onclick="toggle('matches0')"><a name="matches0A">matches</a></td><td>StringRef RegExp, Regex::RegexFlags Flags = NoFlags</td></tr>
```

https://github.com/llvm/llvm-project/pull/102152