https://gomontag.com/_content/Blazorise/validators/RegExMaskValidator.4rmwhz9udx.js

1export function RegExMaskValidator(element, elementId, editMask) {
2    this.elementId = elementId;
3    this.element = element;
4    this.editMask = editMask;
5    this.regex = function () {
6        return new RegExp(this.editMask);
7    };
8    this.carret = function () {
9        return [this.element.selectionStart, this.element.selectionEnd];
10    };
11    this.isValid = function (currentValue) {
12        var value = this.element.value,
13            selection = this.carret();
14
15        return value = value.substring(0, selection[0]) + currentValue + value.substring(selection[1]), !!this.regex().test(value);
16    };
17}