^(\d{1,3}((((,|，)\d{3})*)|\d+))(\.\d+)?$
分隔符适配半角、全角逗号
匹配
32,324.0000
123,456.1234
123,456
123456
123456.000
不匹配
1234,00.00
1244,123.00
1234,1234.00
^(\d{1,3}((((,|，)\d{3})*)|\d+))(\.\d+)?$
分隔符适配半角、全角逗号
匹配
32,324.0000
123,456.1234
123,456
123456
123456.000
不匹配
1234,00.00
1244,123.00
1234,1234.00