diff --git a/app/routes/profile.js b/app/routes/profile.js
index 0b5b34f2d..d8d583fca 100644
--- a/app/routes/profile.js
+++ b/app/routes/profile.js
@@ -55,8 +55,10 @@ function ProfileHandler(db) {
         // with an exponential time until it completes
         // --
         // The Fix: Instead of using greedy quantifiers the same regex will work if we omit the second quantifier +
-        // const regexPattern = /([0-9]+)\#/;
-        const regexPattern = /([0-9]+)+\#/;
+            // const regexPattern = /^[0-9]+\#$/;
+            const regexPattern = /^([0-9]+)+\#$/;
+
+
         // Allow only numbers with a suffix of the letter #, for example: 'XXXXXX#'
         const testComplyWithRequirements = regexPattern.test(bankRouting);
         // if the regex test fails we do not allow saving