source: node_modules/prismjs/components/prism-velocity.js

(function (Prism) {
        Prism.languages.velocity = Prism.languages.extend('markup', {});

        var velocity = {
                'variable': {
                        pattern: /(^|[^\\](?:\\\\)*)\$!?(?:[a-z][\w-]*(?:\([^)]*\))?(?:\.[a-z][\w-]*(?:\([^)]*\))?|\[[^\]]+\])*|\{[^}]+\})/i,
                        lookbehind: true,
                        inside: {} // See below
                },
                'string': {
                        pattern: /"[^"]*"|'[^']*'/,
                        greedy: true
                },
                'number': /\b\d+\b/,
                'boolean': /\b(?:false|true)\b/,
                'operator': /[=!<>]=?|[+*/%-]|&&|\|\||\.\.|\b(?:eq|g[et]|l[et]|n(?:e|ot))\b/,
                'punctuation': /[(){}[\]:,.]/
        };

        velocity.variable.inside = {
                'string': velocity['string'],
                'function': {
                        pattern: /([^\w-])[a-z][\w-]*(?=\()/,
                        lookbehind: true
                },
                'number': velocity['number'],
                'boolean': velocity['boolean'],
                'punctuation': velocity['punctuation']
        };

        Prism.languages.insertBefore('velocity', 'comment', {
                'unparsed': {
                        pattern: /(^|[^\\])#\[\[[\s\S]*?\]\]#/,
                        lookbehind: true,
                        greedy: true,
                        inside: {
                                'punctuation': /^#\[\[|\]\]#$/
                        }
                },
                'velocity-comment': [
                        {
                                pattern: /(^|[^\\])#\*[\s\S]*?\*#/,
                                lookbehind: true,
                                greedy: true,
                                alias: 'comment'
                        },
                        {
                                pattern: /(^|[^\\])##.*/,
                                lookbehind: true,
                                greedy: true,
                                alias: 'comment'
                        }
                ],
                'directive': {
                        pattern: /(^|[^\\](?:\\\\)*)#@?(?:[a-z][\w-]*|\{[a-z][\w-]*\})(?:\s*\((?:[^()]|\([^()]*\))*\))?/i,
                        lookbehind: true,
                        inside: {
                                'keyword': {
                                        pattern: /^#@?(?:[a-z][\w-]*|\{[a-z][\w-]*\})|\bin\b/,
                                        inside: {
                                                'punctuation': /[{}]/
                                        }
                                },
                                rest: velocity
                        }
                },
                'variable': velocity['variable']
        });

        Prism.languages.velocity['tag'].inside['attr-value'].inside.rest = Prism.languages.velocity;

}(Prism));