Prism.languages.birb = Prism.languages.extend('clike', { 'string': { pattern: /r?("|')(?:\\.|(?!\1)[^\\])*\1/, greedy: true }, 'class-name': [ /\b[A-Z](?:[\d_]*[a-zA-Z]\w*)?\b/, // matches variable and function return types (parameters as well). /\b(?:[A-Z]\w*|(?!(?:var|void)\b)[a-z]\w*)(?=\s+\w+\s*[;,=()])/ ], 'keyword': /\b(?:assert|break|case|class|const|default|else|enum|final|follows|for|grab|if|nest|new|next|noSeeb|return|static|switch|throw|var|void|while)\b/, 'operator': /\+\+|--|&&|\|\||<<=?|>>=?|~(?:\/=?)?|[+\-*\/%&^|=!<>]=?|\?|:/, 'variable': /\b[a-z_]\w*\b/, }); Prism.languages.insertBefore('birb', 'function', { 'metadata': { pattern: /<\w+>/, greedy: true, alias: 'symbol' } });