chore: enable regex

lib/index.js

@@ -39,7 +39,7 @@ import {visit} from 'unist-util-visit'
  *
  * @param {Nodes} node
  *   Tree to search.
- * @param {string} name
+ * @param {string | RegExp} name
  *   Comment name to look for.
  * @param {Handler} handler
  *   Handle a section.
@@ -57,7 +57,8 @@ export function zone(node, name, handler) {
   visit(node, function (node, index, parent) {
     const info = commentMarker(node)
     const match =
-      info && info.name === name
+      info &&
+      (typeof name === 'string' ? info.name === name : info.name.match(name))
         ? info.attributes.match(/(start|end)\b/)
         : undefined
     const type = match ? match[0] : undefined

test/fixtures/regexp/index.js

@@ -0,0 +1,16 @@
+import {zone} from 'mdast-zone'
+
+/** @param {import('mdast').Root} tree */
+export default function assertion(tree) {
+  zone(tree, /.*foo.*/, function (start, _, end) {
+    return [
+      start,
+      {
+        type: 'paragraph',
+        depth: 2,
+        children: [{type: 'text', value: 'changed'}]
+      },
+      end
+    ]
+  })
+}

test/fixtures/regexp/input.md

@@ -0,0 +1,5 @@
+# Foo
+
+<!--foo with some extra words start-->
+
+<!--foo end-->

test/fixtures/regexp/output.md

@@ -0,0 +1,7 @@
+# Foo
+
+<!--foo with some extra words start-->
+
+changed
+
+<!--foo end-->