re = /(?:<(style)(?:\s+(?=((?:"[\S\s]*?"|'[\S\s]*?'|(?:(?!\/>)[^>])?)+))\2)?\s*>)([\S\s]*?)<\/\1\s*>/
str = 'const str1 = \'<style> div { color: red; } a { color: green; } </style>hello<div></div><div><a>hello</a></div>\'
const str2 = \'<style> div { color: red; } div > a { color: green; } </style>hello<div></div><div><a>hello</a></div>\'
const regex = /<style[^>]*>([^>]*?)<\\/style>/g
const matches1 = str1.match(regex) // returns a match
const matches2 = str2.match(regex) // does NOT return a match
'
# Print the match result
str.scan(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html