chore: update regexp

src/node/markdown/plugins/githubAlerts.ts

@@ -5,16 +5,6 @@ export const gitHubAlertsPlugin = (
   md: MarkdownIt,
   options?: ContainerOptions
 ) => {
-  const markers = [
-    'TIP',
-    'NOTE',
-    'INFO',
-    'IMPORTANT',
-    'WARNING',
-    'CAUTION',
-    'DANGER'
-  ]
-  const matchCaseSensitive = true
   const titleMark = {
     tip: options?.tipLabel || 'TIP',
     note: options?.noteLabel || 'NOTE',
@@ -25,11 +15,7 @@ export const gitHubAlertsPlugin = (
     danger: options?.dangerLabel || 'DANGER'
   } as Record<string, string>
 
-  const markerNameRE = markers.join('|')
+  const RE = /^\[\!(TIP|NOTE|INFO|IMPORTANT|WARNING|CAUTION|DANGER)\]([^\n\r]*)/i
-  const RE = new RegExp(
-    `^\\[\\!(${markerNameRE})\\]([^\\n\\r]*)`,
-    matchCaseSensitive ? '' : 'i'
-  )
 
   md.core.ruler.after('block', 'github-alerts', (state) => {
     const tokens = state.tokens