first commit

plugins/jquery-validation/polish/validator.alpha-pl-de.js

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+/* eslint-disable func-names */
+
+/* Validator alpha with pl and de letters */
+jQuery.validator.addMethod(
+  "alpha_pl_de",
+  function(value, element) {
+    const re = /^[a-zA-ZąĄęĘóśŚÓłŁżŻźŹćĆńŃÄäÖöÜüß]+$/;
+    return this.optional(element) || re.test(value);
+  },
+  "Dozwolone są tylko litery."
+);
+
+/* Alpha with polish and german letters validator */
+jQuery.validator.addClassRules("js-validation-alpha-pl-de", {
+  alpha_pl_de: true,
+});