Regular expressions for matching prices in JavaScript-regular expressions

Source: Internet
Author: User
Copy Code code as follows:

/^ (d*.d{0,2}|d+). *$/

The test code given by Hansir is as follows:
Copy Code code as follows:

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http:// ">
<meta http-equiv= "Content-type" content= "text/html; charset=gb2312 "/>
<title> Untitled Document </title>
<script type= "Text/javascript" >
function Checkprice (Me) {
if (!) ( /^ (?:d +|d+.d{0,2}) $/.test (Me.Value)) {
Me.Value = Me.value.replace (/^ (d*.d{0,2}|d+). *$/, ' $ ');
<input type= "text" onkeyup= "Checkprice (this);" />
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