Shulou(Shulou.com)06/02 Report--

This article mainly introduces the commonly used js regular expressions, which have a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

1. You can only enter the amount in the input box. In fact, you can only enter numbers with up to two decimal places.

/ / the first method is limited in the input input box.

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