Use literal instead of constructor for creating regex

app/assets/javascripts/lib/utils/text_utility.js

@@ -53,10 +53,7 @@ export const slugify = str => str.trim().toLowerCase();
  * @param {String} str
  * @returns {String}
  */
-export const slugifyWithHyphens = str => {
-  const regex = new RegExp(/\s+/, 'g');
-  return str.toLowerCase().replace(regex, '-');
-};
+export const slugifyWithHyphens = str => str.toLowerCase().replace(/\s+/g, '-');
 /**
  * Truncates given text

changelogs/unreleased/52686-project-slug-does-not-auto-populate-in-ie11.yml

+---
+title: Use literal instead of constructor for creating regex
+merge_request: 22367
+author:
+type: other