如何从具有特定alt =值的字符串中删除图像元素？

Question

I have a string that contains HTML image elements that is stored in a var. I want to remove those image elements that has alt="today" and leave the rest of images untouched .

<img src="./images/ok.gif" alt="today" />

I have tried:

var replaced2 = content.replace(/\<img src="./images/ok.gif" alt="today" />\/g,'');

but had no luck. Can anyone help me out at all? Thanks

Answer 1

You don't need a RegExp:

var replaced2 = content.replace('<img src="./images/ok.gif" alt="today" />','');

jsFiddle

Answer 2

Try this as your regular expression:

/<img src=".\/images\/ok.gif" alt="today" \/>/g

Gotta make sure to escape any forward slashes because they denote a regexp

/<regexp syntax>/

Answer 3

您需要关注的是：JavaScript RegExp