Merge branch 'locale-redirect-for-blog-posts' into 'master'

updated regex to account for locales

See merge request gitlab-com/www-gitlab-com!139078

redirects/cloudflare-wrangler/src/main.ts

@@ -45,21 +45,21 @@ function needsEarlyRedirect(clientRequestURL: URL, clientRequest: Request): bool
 
 function needsBlogRedirect(clientRequestURL: URL): boolean {
   const { pathname } = clientRequestURL;
-
   // Blog migration redirects
-  // const regex = /^\/(?:blog\/)?\d{4}\/\d{2}\/\d{2}\/([^\/]+)/;
+  const regex =
     // eslint-disable-next-line no-useless-escape
-  const regex = /^\/(?:blog\/)?(?:2012|2013|2014|2015|2016|2017|2018|2019)\/\d{2}\/\d{2}\/([^\/]+)/;
+    /^\/(?:(?<locale>[a-z]{2}-[a-z]{2})\/)?(?:blog\/)?(?:2012|2013|2014|2015|2016|2017|2018|2019)\/\d{2}\/\d{2}\/(?<slug>[^\/]+)/;
 
   const match = pathname.match(regex);
 
-  if (match) {
-    clientRequestURL.pathname = `/blog/${match[1]}/`;
+  if (match && match.groups) {
+    const { locale, slug } = match.groups;
+    const localePrefix = locale ? `/${locale}` : '';
+    clientRequestURL.pathname = `${localePrefix}/blog/${slug}/`;
     return true;
   }
 
   // Blog tag lowercase redirects
-
   // eslint-disable-next-line no-useless-escape
   const tagRegex = /^\/blog\/tags\/([^\/]+)\/?$/;
   const tagMatch = pathname.match(tagRegex);