Java、Javascript去掉字符串全面的0

//Java 结果:1230
String str = "001230";
String newStr = str.replaceAll("^(0+)", "");
System.out.println(newStr);

 

//JavaScript 结果:1230
var str = "001230";
String newStr = str .replace(/\b(0+)/gi,"");
Console.log(newStr);