字符串替换正则表达式
var match = '789';
eval('var reg = /^'+match+'\\,|\\,'+match+'|\\,'+match+'$/');
alert('123,456,789'.replace(reg,''));
根据Excel列数求列名
function _recursion(n){
if(n < 1){
return;
}
var asiiCode = (n%26==0?26:n%26) + 64;
var asiiChar = String.fromCharCode(asiiCode);
col.push(asiiChar);
if(n<=26){
return;
} else {
if(n%26==0){
n = parseInt(n/26 - 1);
} else {
n = parse...