import { cloneDeep } from "lodash-es"; //只能输入数字和小数点,否则为0 export const useValidateInput = (value: any) => { let valueClone = cloneDeep(value) + ""; //只能输入1-9和小数点,并且第一位不能为小数点 let replaceValue = valueClone .replace(/^\.+/g, "0.") .replace(/[^\d^\\.]+/g, "") .replace(".", "$#$") .replace(/\./g, "") .replace("$#$", "."); //禁止输入多个小数点 let resultValue = replaceValue.replace(/^(\\-)*(\d+)\.(\d\d\d\d\d\d\d\d\d\d).*$/, "$1$2.$3"); return resultValue; };