js正則表示式驗證價格
阿新 • • 發佈：2018-11-27
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="Generator" content="EditPlus®"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> <title>Document</title> </head> <body> <script type="text/javascript"> var reg = /(^[1-9]([0-9]+)?(\.[0-9]{1,2})?$)|(^(0){1}$)|(^[0-9]\.[0-9]([0-9])?$)/; var money = "520.100"; //000 錯 //0 對 //0. 錯 //0.0 對 //050 錯 //00050.12錯 //70.1 對 //70.11 對 //70.111錯 //500 正確 if (reg.test(money)) { alert("正確~"); }else{ alert("有誤~"); }; </script> </body> </html>