JS输入限制，不符要求不能输入的代码_表单按钮特效

原以为这个一个输入判断，后来运行一下原来不是这样子，感觉还不错，它可以限制你的输入必须符合规定的条件，如果不符合根本就不能输入，对那些晕子很管用。

小写英文：<xmp style= "display:inline">	</xmp>
<input	onkeypress	= "return regInput(this,	/^[a-z]*$/,		String.fromCharCode(event.keyCode))"
		onpaste		= "return regInput(this,	/^[a-z]*$/,		window.clipboardData.getData('Text'))"
		ondrop		= "return regInput(this,	/^[a-z]*$/,		event.dataTransfer.getData('Text'))"
		style="ime-mode:Disabled"
>

大写英文：<xmp style= "display:inline">	</xmp>
<input	onkeypress	= "return regInput(this,	/^[A-Z]*$/,		String.fromCharCode(event.keyCode))"
		onpaste		= "return regInput(this,	/^[A-Z]*$/,		window.clipboardData.getData('Text'))"
		ondrop		= "return regInput(this,	/^[A-Z]*$/,		event.dataTransfer.getData('Text'))"
		style="ime-mode:Disabled">

任意数字：<xmp style="display:inline">	</xmp>
<input	onkeypress	= "return regInput(this,	/^[0-9]*$/,		String.fromCharCode(event.keyCode))"
		onpaste		= "return regInput(this,	/^[0-9]*$/,		window.clipboardData.getData('Text'))"
		ondrop		= "return regInput(this,	/^[0-9]*$/,		event.dataTransfer.getData('Text'))"
		style="ime-mode:Disabled"
>

限2位小数：<xmp style="display:inline">	</xmp>
<input	onkeypress	= "return regInput(this,	/^\d*\.?\d{0,2}$/,		String.fromCharCode(event.keyCode))"
		onpaste		= "return regInput(this,	/^\d*\.?\d{0,2}$/,		window.clipboardData.getData('Text'))"
		ondrop		= "return regInput(this,	/^\d*\.?\d{0,2}$/,		event.dataTransfer.getData('Text'))"
		style="ime-mode:Disabled"
> 如: 123.12

日　  期：<xmp style="display:inline">	</xmp>
<input	onkeypress	= "return regInput(this,	/^\d{1,4}([-\/](\d{1,2}([-\/](\d{1,2})?)?)?)?$/,		String.fromCharCode(event.keyCode))"
		onpaste		= "return regInput(this,	/^\d{1,4}([-\/](\d{1,2}([-\/](\d{1,2})?)?)?)?$/,		window.clipboardData.getData('Text'))"
		ondrop		= "return regInput(this,	/^\d{1,4}([-\/](\d{1,2}([-\/](\d{1,2})?)?)?)?$/,		event.dataTransfer.getData('Text'))"
		style="ime-mode:Disabled"
> 如: 2002-9-29

任意中文：<xmp style="display:inline">	</xmp>
<input	onkeypress	= "return regInput(this,	/^$/,					String.fromCharCode(event.keyCode))"
		onpaste		= "return regInput(this,	/^[\u4E00-\u9FA5]*$/,	window.clipboardData.getData('Text'))"
		ondrop		= "return regInput(this,	/^[\u4E00-\u9FA5]*$/,	event.dataTransfer.getData('Text'))"
>

部分英文：<xmp style="display:inline">	</xmp>
<input	onkeypress	= "return regInput(this,	/^[a-e]*$/,		String.fromCharCode(event.keyCode))"
		onpaste		= "return regInput(this,	/^[a-e]*$/,		window.clipboardData.getData('Text'))"
		ondrop		= "return regInput(this,	/^[a-e]*$/,		event.dataTransfer.getData('Text'))"
		style="ime-mode:Disabled"
> 范围: a,b,c,d,e

部分中文：<xmp style="display:inline">	</xmp>

所属频道：表单按钮特效/更新时间：2013-04-17

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