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prism-regex.html
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<p>The regex languages con be used for inline regex snippets like <code>(?<number>\d+)[-_ ]\k<number></code> but it mainly adds itself to other languages such as:</p>
<h2>JavaScript</h2>
<pre class="language-javascript" data-dependencies="regex"><code>Prism.languages.markup = {
'comment': /<!--[\s\S]*?-->/,
'prolog': /<\?[\s\S]+?\?>/,
'doctype': {
pattern: /<!DOCTYPE(?:[^>"'[\]]|"[^"]*"|'[^']*')+(?:\[(?:[^<"'\]]|"[^"]*"|'[^']*'|<(?!!--)|<!--(?:[^-]|-(?!->))*-->)*\]\s*)?>/i,
greedy: true
},
'cdata': /<!\[CDATA\[[\s\S]*?]]>/i,
'tag': {
pattern: /<\/?(?!\d)[^\s>\/=$<%]+(?:\s(?:\s*[^\s>\/=]+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+(?=[\s>]))|(?=[\s/>])))+)?\s*\/?>/i,
greedy: true,
inside: {
'tag': {
pattern: /^<\/?[^\s>\/]+/i,
inside: {
'punctuation': /^<\/?/,
'namespace': /^[^\s>\/:]+:/
}
},
'attr-value': {
pattern: /=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+)/i,
inside: {
'punctuation': [
/^=/,
{
pattern: /^(\s*)["']|["']$/,
lookbehind: true
}
]
}
},
'punctuation': /\/?>/,
'attr-name': {
pattern: /[^\s>\/]+/,
inside: {
'namespace': /^[^\s>\/:]+:/
}
}
}
},
'entity': /&#?[\da-z]{1,8};/i
};</code></pre>