diff --git a/backend/src/middleware/hashtags/extractHashtags.js b/backend/src/middleware/hashtags/extractHashtags.js
index 04c0322c6..1ccac8be4 100644
--- a/backend/src/middleware/hashtags/extractHashtags.js
+++ b/backend/src/middleware/hashtags/extractHashtags.js
@@ -1,17 +1,14 @@
 import cheerio from 'cheerio'
-import {
-  exec,
-  build
-} from 'xregexp/xregexp-all.js'
+import { exec, build } from 'xregexp/xregexp-all.js'
 // formats of a Hashtag:
 //   https://en.wikipedia.org/w/index.php?title=Hashtag&oldid=905141980#Style
 // here:
 //    0. Search for whole string.
 //    1. Hashtag has only all unicode characters and '0-9'.
-//    2. If it starts with a digit '0-9' than 'a-z', or 'A-Z' has to follow.
-const regX = build('^\/search\/hashtag\/((\\pL+[\\pL0-9]*)|([0-9]+\\pL+[\\pL0-9]*))$')
+//    2. If it starts with a digit '0-9' than a unicode character has to follow.
+const regX = build('^/search/hashtag/((\\pL+[\\pL0-9]*)|([0-9]+\\pL+[\\pL0-9]*))$')
 
-export default function (content) {
+export default function(content) {
   if (!content) return []
   const $ = cheerio.load(content)
   // We can not search for class '.hashtag', because the classes are removed at the 'xss' middleware.
@@ -29,4 +26,4 @@ export default function (content) {
     }
   })
   return hashtags
-}
\ No newline at end of file
+}
diff --git a/deployment/legacy-migration/maintenance-worker/migration/neo4j/contributions/contributions.cql b/deployment/legacy-migration/maintenance-worker/migration/neo4j/contributions/contributions.cql
index d4ae2c3a1..28115f132 100644
--- a/deployment/legacy-migration/maintenance-worker/migration/neo4j/contributions/contributions.cql
+++ b/deployment/legacy-migration/maintenance-worker/migration/neo4j/contributions/contributions.cql
@@ -148,8 +148,8 @@ MATCH (c:Category {id: categoryId})
 MERGE (p)-[:CATEGORIZED]->(c)
 WITH p, post.tags AS tags
 UNWIND tags AS tag
-WITH apoc.text.replace(tag, '[^\p{L}0-9]', '') as tagNoSpacesAllowed
-CALL apoc.when(tagNoSpacesAllowed =~ '^((\p{L}+[\p{L}0-9]*)|([0-9]+\p{L}+[\p{L}0-9]*))$', 'RETURN tagNoSpacesAllowed', '', {tagNoSpacesAllowed: tagNoSpacesAllowed}) 
+WITH apoc.text.replace(tag, '[^\\p{L}0-9]', '') as tagNoSpacesAllowed
+CALL apoc.when(tagNoSpacesAllowed =~ '^((\\p{L}+[\\p{L}0-9]*)|([0-9]+\\p{L}+[\\p{L}0-9]*))$', 'RETURN tagNoSpacesAllowed', '', {tagNoSpacesAllowed: tagNoSpacesAllowed}) 
 YIELD value as validated
 WHERE validated.tagNoSpacesAllowed IS NOT NULL
 MERGE (t:Tag { id: validated.tagNoSpacesAllowed, disabled: false, deleted: false })