jQuery如何替换文本区域内的字符串?

问题描述

当前文本区域:

<textarea id="event_content">
This text area could be full of information..www.london2012.com
And might contain upto 5 links that all need updating.
www.rio2016.org

Link already converted. this should be left.
<a href="http://www.thetimes.co.uk" target="_blank">www.thetimes.co.uk</a>
</textarea>

---

jquery之后需要的Textarea:所有要用标签和目标属性清除/替换的链接

---

Desired Textarea after jquery: all links to be cleaned/replaced with tags and target attr

<textarea id="event_content">
This text area could be full of information
<a href="http://www.london2012.com" target="_blank">www.london2012.com</a>
And might contain upto 5 links that all need updating.
<a href="http://www.rio2016.org" target="_blank">www.rio2016.org</a>

Link already converted. this should be left.
<a href="http://www.thetimes.co.uk" target="_blank">www.thetimes.co.uk</a>
</textarea>

---

2012年7月21日-Ωmega的代码表示感谢，但是可以通过保留已经转换的链接来改进吗?

---

21 July 2012 - Ωmega's code worked a treat thanks, but could be improved by leaving already converted links?

推荐答案

我相信您正在寻找类似的东西(单击这里来测试这个小提琴):

I believe you are looking for something like this (click here to test this fiddle):

$('#event_content').val(
  $('#event_content').val().replace(/\b(http(s|):\/\/|)(www\.\S+)/ig,
    "<a href='http\$2://\$3' target='_blank'>\$3</a>"));

这篇关于jQuery如何替换文本区域内的字符串?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！