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

Prism.languages.erlang = {
        'comment': /%.+/,
        'string': {
                pattern: /"(?:\\.|[^\\"\r\n])*"/,
                greedy: true
        },
        'quoted-function': {
                pattern: /'(?:\\.|[^\\'\r\n])+'(?=\()/,
                alias: 'function'
        },
        'quoted-atom': {
                pattern: /'(?:\\.|[^\\'\r\n])+'/,
                alias: 'atom'
        },
        'boolean': /\b(?:false|true)\b/,
        'keyword': /\b(?:after|begin|case|catch|end|fun|if|of|receive|try|when)\b/,
        'number': [
                /\$\\?./,
                /\b\d+#[a-z0-9]+/i,
                /(?:\b\d+(?:\.\d*)?|\B\.\d+)(?:e[+-]?\d+)?/i
        ],
        'function': /\b[a-z][\w@]*(?=\()/,
        'variable': {
                // Look-behind is used to prevent wrong highlighting of atoms containing "@"
                pattern: /(^|[^@])(?:\b|\?)[A-Z_][\w@]*/,
                lookbehind: true
        },
        'operator': [
                /[=\/<>:]=|=[:\/]=|\+\+?|--?|[=*\/!]|\b(?:and|andalso|band|bnot|bor|bsl|bsr|bxor|div|not|or|orelse|rem|xor)\b/,
                {
                        // We don't want to match <<
                        pattern: /(^|[^<])<(?!<)/,
                        lookbehind: true
                },
                {
                        // We don't want to match >>
                        pattern: /(^|[^>])>(?!>)/,
                        lookbehind: true
                }
        ],
        'atom': /\b[a-z][\w@]*/,
        'punctuation': /[()[\]{}:;,.#|]|<<|>>/

};