常用JavaScript正则表达式的相关内容

文章 2017-11-27 来自：开发者社区

javascript常用正则表达式

常用的JavaScript验证正则表达式下面都是我收集的一些比较常用的正则表达式，因为平常可能在表单验证的时候，用到的比较多。特发出来，让各位朋友共同使用。呵呵。匹配中文字符的正则表达式： [u4e00-u9fa5]评注：匹配中文还真是个头疼的事，有了这个表达式就好办了匹配双字节字符(包括汉字在内)：[^x00-xff]评注：可以用来计算字符串的长度（一个双字节字符长度计2，ASCII字符计1）....

文章 2012-08-27 来自：开发者社区

javascript的一些常用正则表达式

利用正则表达式限制网页表单里的文本框输入内容：1.用正则表达式限制只能输入中文：onkeyup="value=value.replace(/[^\u4E00-\u9FA5]/g,'')" onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\u4E00-\u9FA5]/g...

文章 2006-05-20 来自：开发者社区

一些常用的JavaScript正则表达式

一些常用的JavaScript正则表达式"^/d+$"　　//非负整数（正整数 + 0） "^[0-9]*[1-9][0-9]*$"　　//正整数 "^((-/d+)|(0+))$"　　//非正整数（负整数 + 0） "^-[0-9]*[1-9][0-9]*$"　　//负整数 "^-?/d+$"　　　　//整数 "^/d+(/./d+)?$"　　//非负浮点数（正浮点数 + 0） "^(([0-....

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