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js验证问题

        e.target.value = ((e.target.value).match(/^d*(.?d{0,2})/g)[0]) || null

输入框输入的时候,只能输入正数,最多保留两位小数,这个已经实现了,就是输入00001和0000.1还有问题,怎么去掉多余的0### 问题描述


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const regExp = /^(?!0d)d+(.d{1,2})?$/;

// TEST
regExp.test('00') // false
regExp.test('00001') // false
regExp.test('01.23') // false
regExp.test('1.') // false

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