Add more IBAN filters

app/Support/Request/ConvertsDataTypes.php

@@ -27,6 +27,7 @@ use Carbon\Carbon;
 use Carbon\Exceptions\InvalidDateException;
 use Carbon\Exceptions\InvalidFormatException;
 use FireflyIII\Repositories\UserGroups\Account\AccountRepositoryInterface;
+use FireflyIII\Support\Facades\Steam;
 use Illuminate\Support\Collection;
 
 /**
@@ -114,6 +115,11 @@ trait ConvertsDataTypes
         return (string)$this->clearString((string)$entry);
     }
 
+    public function convertIban(string $field): string
+    {
+        return Steam::filterSpaces($this->convertString($field));
+    }
+
     public function clearString(?string $string): ?string
     {
         $string = $this->clearStringKeepNewlines($string);
@@ -131,6 +137,12 @@ trait ConvertsDataTypes
         return trim($string);
     }
 
+    public function clearIban(?string $string): ?string
+    {
+        $string = $this->clearString($string);
+        return Steam::filterSpaces($string);
+    }
+
     public function clearStringKeepNewlines(?string $string): ?string
     {
         if (null === $string) {

app/Support/Steam.php

@@ -681,11 +681,13 @@ class Steam
             "\u{202F}", // narrow no-break space
             "\u{3000}", // ideographic space
             "\u{FEFF}", // zero width no -break space
-            "\x20", // plain old normal space
+            "\x20", // plain old normal space,
+            ' '
         ];
 
         // clear zalgo text
         $string = preg_replace('/(\pM{2})\pM+/u', '\1', $string);
+        $string = preg_replace('/\s+/', '', $string);
 
         return str_replace($search, '', $string);
     }