truly-ui
Version:
Web Components for Desktop Applications.
13 lines • 3.06 kB
JavaScript
export function NumberValidator() {
return (control) => {
const regex = new RegExp('^(-|[0-9])[0-9]+|[0-9]');
if (control.touched) {
if (regex.test(control.value)) {
return null;
}
return { number: false };
}
return null;
};
}
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