diff --git a/src/common/string/slugify.ts b/src/common/string/slugify.ts
index dc4015ff68..e9901faa76 100644
--- a/src/common/string/slugify.ts
+++ b/src/common/string/slugify.ts
@@ -12,8 +12,8 @@ export const slugify = (value: string, delimiter = "_") => {
     .replace(p, (c) => b.charAt(a.indexOf(c))) // Replace special characters
     .replace(/&/g, `${delimiter}and${delimiter}`) // Replace & with 'and'
     .replace(/[^\w-]+/g, "") // Remove all non-word characters
-    .replace(/-/, delimiter) // Replace - with delimiter
-    .replace(new RegExp(`/${delimiter}${delimiter}+/`, "g"), delimiter) // Replace multiple delimiters with single delimiter
-    .replace(new RegExp(`/^${delimiter}+/`), "") // Trim delimiter from start of text
-    .replace(new RegExp(`/-+$/`), ""); // Trim delimiter from end of text
+    .replace(/-/g, delimiter) // Replace - with delimiter
+    .replace(new RegExp(`(${delimiter})\\1+`, "g"), "$1") // Replace multiple delimiters with single delimiter
+    .replace(new RegExp(`^${delimiter}+`), "") // Trim delimiter from start of text
+    .replace(new RegExp(`${delimiter}+$`), ""); // Trim delimiter from end of text
 };
diff --git a/test/common/string/slugify.ts b/test/common/string/slugify.ts
new file mode 100644
index 0000000000..7252fbbb47
--- /dev/null
+++ b/test/common/string/slugify.ts
@@ -0,0 +1,27 @@
+import { assert } from "chai";
+import { slugify } from "../../../src/common/string/slugify";
+
+describe("slugify", () => {
+  // With default delimiter
+  assert.strictEqual(slugify("abc"), "abc");
+  assert.strictEqual(slugify("ABC"), "abc");
+  assert.strictEqual(slugify("abc DEF"), "abc_def");
+  assert.strictEqual(slugify("abc-DEF"), "abc_def");
+  assert.strictEqual(slugify("abc_DEF"), "abc_def");
+  assert.strictEqual(slugify("abc å DEF"), "abc_a_def");
+  assert.strictEqual(slugify("abc:DEF"), "abc_def");
+  assert.strictEqual(slugify("abc&DEF"), "abc_and_def");
+  assert.strictEqual(slugify("abc^^DEF"), "abcdef");
+  assert.strictEqual(slugify("abc   DEF"), "abc_def");
+  assert.strictEqual(slugify("_abc DEF"), "abc_def");
+  assert.strictEqual(slugify("abc DEF_"), "abc_def");
+  assert.strictEqual(slugify("abc-DEF ghi"), "abc_def_ghi");
+  assert.strictEqual(slugify("abc-DEF-ghi"), "abc_def_ghi");
+  assert.strictEqual(slugify("abc - DEF - ghi"), "abc_def_ghi");
+  assert.strictEqual(slugify("abc---DEF---ghi"), "abc_def_ghi");
+  assert.strictEqual(slugify("___abc___DEF___ghi___"), "abc_def_ghi");
+
+  // With custom delimiter
+  assert.strictEqual(slugify("abc def", "-"), "abc-def");
+  assert.strictEqual(slugify("abc-def", "-"), "abc-def");
+});