File: prism-regex.html

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<p>The regex languages con be used for inline regex snippets like <code>(?&lt;number>\d+)[-_ ]\k&lt;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': /&lt;!--[\s\S]*?-->/,
	'prolog': /&lt;\?[\s\S]+?\?>/,
	'doctype': {
		pattern: /&lt;!DOCTYPE(?:[^>"'[\]]|"[^"]*"|'[^']*')+(?:\[(?:[^&lt;"'\]]|"[^"]*"|'[^']*'|&lt;(?!!--)|&lt;!--(?:[^-]|-(?!->))*-->)*\]\s*)?>/i,
		greedy: true
	},
	'cdata': /&lt;!\[CDATA\[[\s\S]*?]]>/i,
	'tag': {
		pattern: /&lt;\/?(?!\d)[^\s>\/=$&lt;%]+(?:\s(?:\s*[^\s>\/=]+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+(?=[\s>]))|(?=[\s/>])))+)?\s*\/?>/i,
		greedy: true,
		inside: {
			'tag': {
				pattern: /^&lt;\/?[^\s>\/]+/i,
				inside: {
					'punctuation': /^&lt;\/?/,
					'namespace': /^[^\s>\/:]+:/
				}
			},
			'attr-value': {
				pattern: /=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+)/i,
				inside: {
					'punctuation': [
						/^=/,
						{
							pattern: /^(\s*)["']|["']$/,
							lookbehind: true
						}
					]
				}
			},
			'punctuation': /\/?>/,
			'attr-name': {
				pattern: /[^\s>\/]+/,
				inside: {
					'namespace': /^[^\s>\/:]+:/
				}
			}

		}
	},
	'entity': /&amp;#?[\da-z]{1,8};/i
};</code></pre>