chore: use regex flag instead of string in regexp ctor

Jacky Zhao

2024-07-10 2154d36d9993e128faaa6471cdae305cca3d810d

 quartz/plugins/emitters/404.tsx

@@ -46,6 +46,7 @@
        frontmatter: { title: notFound, tags: [] },
      })
      const componentData: QuartzComponentProps = {
        ctx,
        fileData: vfile.data,
        externalResources,
        cfg,