javascript - How to use regular expressions to remove the * sign in front of '****abc*vkf****'

Question

abcvkf Only delete the front * sign, and keep the middle and back ones. How should the regular expressions be matched?

Answer 1

Okay, it is always transcoded. Look at the picture. As long as the replace is not global, it will be fine.

'****abc*vkf****'.replace(/[\*]+/, '')

Answer 2

Is this so? Use zero-width assertion http://www.cnblogs.com/deerch...

var s = '****abc*vkf****',
    res = s.replace(/\**(?=abc)/g,'');

Answer 3

var str="abcvkf*";

var rex=/^*+/ig;

str.replace(rex,"")

Answer 4