限制为整数
<html><head><script language="javascript" type="text/javascript"> var G=document.getElementById; function checkNumber(){ var reg = /^(?:0|[1-9][0-9]?|100)$/; var strNumber = G("txtNumber").value; alert(reg.test(strNumber)) }</script></head><body ><input type="text" value="" id="txtNumber" title="Please enter a number witch between 0 and 100 .."><button onclick="checkNumber();">CheckNumber</button></body></html>限制为货币
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