docs: add regex examples

Aliorpse · Aliorpse · commit 311523359d26 · 2026-02-24T12:18:02.000+08:00
diff --git a/saltify-docs/content/guide/plugin.md b/saltify-docs/content/guide/plugin.md
@@ -28,6 +28,13 @@ val myPlugin = SaltifyPlugin("my-awesome-plugin", ::MyPluginConfig) { config ->
     on<Event.GroupMemberIncrease> { event ->
         event.respond { text(config.reply) }
     }
+
+    // 监听以正则表达式匹配的消息
+    regex("""BV1\w{9}""") { event, matches ->
+        event.respond {
+            text(matches.joinToString { it.value })
+        }
+    }
 }
 ```
 

Original file line number	Diff line number	Diff line change
`@@ -28,6 +28,13 @@ val myPlugin = SaltifyPlugin("my-awesome-plugin", ::MyPluginConfig) { config ->`
`28`	`28`	`on<Event.GroupMemberIncrease> { event ->`
`29`	`29`	`event.respond { text(config.reply) }`
`30`	`30`	`}`
	`31`	`+`
	`32`	`+ // 监听以正则表达式匹配的消息`
	`33`	`+ regex("""BV1\w{9}""") { event, matches ->`
	`34`	`+ event.respond {`
	`35`	`+ text(matches.joinToString { it.value })`
	`36`	`+ }`
	`37`	`+ }`
`31`	`38`	`}`
`32`	`39`	```
`33`	`40`