javascript 替换字符串之间的字符

Posted 2021-05-03

http://jsfiddle.net/hk2qrq4u/43/

// replace spaces with undercoress 
var string = "1 23 45 67890";

alert(string.replace(/\ /g,'_')  );



// replace "+" signs with spaces
var string = "1+23+45+67890";

alert(string.replace(/\+/g,' ')  );