代码如下: var fun = function(str){ var preg = new RegExp("[/u4e00-/u9fa5]+","gi"); var preg2 = new RegExp("[^/u4e00-/u9fa5]","gi"); var count = 0; for(var i=0;i<str.length;i++){ if(preg.test(str[i])){ count = count+2; }else{ count = count+1; } } return count; }
