正则文本框只能输入正整数

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html>
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<meta http-equiv="Content-Type" content="text/html; charset=GB2312" />
<title><a href="http://www.jb51.net/list/list_6_1.htm" target="_blank"><font color=red>正则</font></a>实现文本框只能输入正整数</title>
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<input type="text" onKeyUp="this.value=this.value.replace(//D/g,'')" onafterpaste="this.value=this.value.replace(//D/g,'')" />
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posted @ 2009-10-04 20:21  ajuanabc  阅读(188)  评论(0)  编辑  收藏  举报