rails过滤strip_link和strip_tags用法

最新推荐文章于 2020-06-27 20:49:39 发布

foyoto

最新推荐文章于 2020-06-27 20:49:39 发布

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分类专栏： ruby技术备忘录文章标签： Rails Ruby HTML Blog

本文链接：https://blog.youkuaiyun.com/foyoto/article/details/83905793

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本文介绍了几种从HTML文本中去除标签的方法，包括strip_links和strip_tags函数。strip_links用于移除链接标签，仅保留链接文本；strip_tags则用于移除所有HTML标签，包括注释。这些方法对于文本处理非常有用。

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strip_links(html)
-----------------------------------------------------------------------
Strips all link tags from text leaving just the link text.
Examples strip_links('<a href="http://www.rubyonrails.org">Ruby on Rails</a>')
# => Ruby on Rails

strip_links('Please e-mail me at <a href="mailto:me@email.com">me@email.com</a>.')
# => Please e-mail me at me@email.com.

strip_links('Blog: <a href="http://www.myblog.com/" class="nav" target=\"_blank\">Visit</a>.')
# => Blog: Visit

[ show source ]

strip_tags(html)
--------------------------------------------------------------------------
Strips all HTML tags from the html, including comments. This uses the html-scanner tokenizer and so its HTML parsing ability is limited by that of html-scanner.
Examples strip_tags("Strip <i>these</i> tags!")
# => Strip these tags!

strip_tags("<b>Bold</b> no more! <a href='more.html'>See more here</a>...")
# => Bold no more! See more here...

strip_tags("<div id='top-bar'>Welcome to my website!</div>")
# => Welcome to my website!

[ show source ]