Common JS regular expressions for matching double byte characters (including Chinese characters)

From , 3 Years ago, written in JavaScript, viewed 97 times.

[^\x00-\xff]，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），代码示例如下：  
console.info( "abc".replace( /[^\x00-\xff]/g,"aa" ).length ) // 3  
console.info( "汉字".replace( /[^\x00-\xff]/g,"aa" ).length ) // 4  
console.info( "abc汉字".replace( /[^\x00-\xff]/g,"aa").length ) // 7  

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Common JS regular expressions for matching double byte characters (including Chinese characters)

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