diff --git a/src/constants/index.ts b/src/constants/index.ts
index 754288a..05951f4 100644
--- a/src/constants/index.ts
+++ b/src/constants/index.ts
@@ -3,5 +3,11 @@ export const SHARECODE_REGEX =
 export const AUTHCODE_REGEX =
   /^[ABCDEFGHJKLMNOPQRSTUVWXYZ23456789]{4}-[ABCDEFGHJKLMNOPQRSTUVWXYZ23456789]{5}-[ABCDEFGHJKLMNOPQRSTUVWXYZ23456789]{4}$/;
 
+export const ID64_PATTERN = /^\d{17}$/;
+export const VANITY_PATTERN = /^[A-Za-z0-9-_]{3,32}$/;
+
+export const CUSTOM_URL_PATTERN = "https://steamcommunity.com/id/";
+export const PROFILE_URL_PATTERN = "https://steamcommunity.com/profiles/";
+
 export const NAV_HEIGHT = 70;
 export const FOOTER_HEIGHT = 200;