diff --git a/advanced/Scripts/webpage.sh b/advanced/Scripts/webpage.sh
index 3a04bbd7..48f6ca6b 100755
--- a/advanced/Scripts/webpage.sh
+++ b/advanced/Scripts/webpage.sh
@@ -521,7 +521,7 @@ Options:
         # Sanitize email address in case of security issues
         # Regex from https://stackoverflow.com/a/2138832/4065967
         local regex
-        regex="^[a-z0-9!#\$%&'*+/=?^_\`{|}~-]+(\.[a-z0-9!#$%&'*+/=?^_\`{|}~-]+)*@([a-z0-9]([a-z0-9-]*[a-z0-9])?\.)+[a-z0-9]([a-z0-9-]*[a-z0-9])?\$"
+        regex="^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}\$"
         if [[ ! "${args[2]}" =~ ${regex} ]]; then
             echo -e "  ${CROSS} Invalid email address"
             exit 0