字符串去除空格的方式(用replace()实现)

去除所有空格:
str = str.replace(/s+/g,"");
去除两头空格:
str = str.replace(/^s+|s+$/g,"");
去除左空格:
str=str.replace( /^s/, '');
去除右空格:
str=str.replace(/(s$)/g, "");

原文地址:https://www.cnblogs.com/lucky-lf/p/10324127.html