refactor: use shared util, remove unused regex

packages/renderer-dom/src/patchData.ts

@@ -4,8 +4,7 @@ import { patchStyle } from './modules/style'
 import { patchAttr } from './modules/attrs'
 import { patchDOMProp } from './modules/props'
 import { patchEvent } from './modules/events'
-
-export const onRE = /^on/
+import { onRE } from '@vue/shared'
 
 // value, checked, selected & muted
 // plus anything with upperCase letter in it are always patched as properties

packages/renderer-dom/src/teardownVNode.ts

@@ -1,6 +1,6 @@
 import { VNode } from '@vue/core'
 import { handleDelegatedEvent } from './modules/events'
-import { onRE } from './patchData'
+import { onRE } from '@vue/shared'
 
 export function teardownVNode(vnode: VNode) {
   const { el, data } = vnode