vant/src/field/utils.ts
2020-01-09 15:28:58 +08:00

15 lines
343 B
TypeScript

export function formatNumber(value: string, allowDot: boolean) {
if (allowDot) {
const dotIndex = value.indexOf('.');
if (dotIndex > -1) {
value =
value.slice(0, dotIndex + 1) + value.slice(dotIndex).replace(/\./g, '');
}
}
const regExp = allowDot ? /[^0-9.]/g : /\D/g;
return value.replace(regExp, '');
}