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

// https://www.openpolicyagent.org/docs/latest/policy-reference/

Prism.languages.rego = {
        'comment': /#.*/,
        'property': {
                pattern: /(^|[^\\.])(?:"(?:\\.|[^\\"\r\n])*"|`[^`]*`|\b[a-z_]\w*\b)(?=\s*:(?!=))/i,
                lookbehind: true,
                greedy: true
        },
        'string': {
                pattern: /(^|[^\\])"(?:\\.|[^\\"\r\n])*"|`[^`]*`/,
                lookbehind: true,
                greedy: true
        },

        'keyword': /\b(?:as|default|else|import|not|null|package|set(?=\s*\()|some|with)\b/,
        'boolean': /\b(?:false|true)\b/,

        'function': {
                pattern: /\b[a-z_]\w*\b(?:\s*\.\s*\b[a-z_]\w*\b)*(?=\s*\()/i,
                inside: {
                        'namespace': /\b\w+\b(?=\s*\.)/,
                        'punctuation': /\./
                }
        },

        'number': /-?\b\d+(?:\.\d+)?(?:e[+-]?\d+)?\b/i,
        'operator': /[-+*/%|&]|[<>:=]=?|!=|\b_\b/,
        'punctuation': /[,;.\[\]{}()]/
};