Flowdock
highlight(text, phrases, options = {}) public

Highlights one or more phrases everywhere in text by inserting it into a :highlighter string. The highlighter can be specialized by passing :highlighter as a single-quoted string with \1 where the phrase is to be inserted (defaults to ‘<mark>1</mark>’) or passing a block that receives each matched term. By default text is sanitized to prevent possible XSS attacks. If the input is trustworthy, passing false for :sanitize will turn sanitizing off.

highlight('You searched for: rails', 'rails')
# => You searched for: <mark>rails</mark>

highlight('You searched for: rails', /for|rails/)
# => You searched <mark>for</mark>: <mark>rails</mark>

highlight('You searched for: ruby, rails, dhh', 'actionpack')
# => You searched for: ruby, rails, dhh

highlight('You searched for: rails', ['for', 'rails'], highlighter: '<em>\1</em>')
# => You searched <em>for</em>: <em>rails</em>

highlight('You searched for: rails', 'rails', highlighter: '<a href="search?q=\1">\1</a>')
# => You searched for: <a href="search?q=rails">rails</a>

highlight('You searched for: rails', 'rails') { |match| link_to(search_path(q: match, match)) }
# => You searched for: <a href="search?q=rails">rails</a>

highlight('<a href="javascript:alert(\'no!\')">ruby</a> on rails', 'rails', sanitize: false)
# => <a href="javascript:alert('no!')">ruby</a> on <mark>rails</mark>
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