Prism.languages.ruby = {

'comment': /#[^\r\n]*(\r?\n|$)/g,
'string': /("|')(\\?.)*?\1/g,
'regex': {
  pattern: /(^|[^/])\/(?!\/)(\[.+?]|\\.|[^/\r\n])+\/[gim]{0,3}(?=\s*($|[\r\n,.;})]))/g,
  lookbehind: true
},
'keyword': /\b(alias|and|BEGIN|begin|break|case|class|def|define_method|defined|do|each|else|elsif|END|end|ensure|false|for|if|in|module|new|next|nil|not|or|raise|redo|rescue|retry|return|self|super|then|throw|true|undef|unless|until|when|while|yield)\b/g,
'builtin': /\b(Array|Bignum|Binding|Class|Continuation|Dir|Exception|FalseClass|File|Stat|File|Fixnum|Fload|Hash|Integer|IO|MatchData|Method|Module|NilClass|Numeric|Object|Proc|Range|Regexp|String|Struct|TMS|Symbol|ThreadGroup|Thread|Time|TrueClass)\b/,
'boolean': /\b(true|false)\b/g,
'number': /\b-?(0x)?\d*\.?\d+\b/g,
'instance-variable': /[@$]\b[a-zA-Z_][a-zA-Z_0-9]*[?!]?\b/g,
'const': {
  'pattern': /\b[A-Z][a-zA-Z_0-9]*\b/,
  'inside': {
    'separator': /:{2}/,
  },
},
'literals': /%[wWqQriIx][\[\({]([a-zA-Z_0-9\s]+)[\]\)}]/g,
'symbol': /:\b[a-zA-Z_][a-zA-Z_0-9]*[?!]?\b/g,
'ignore': /&(lt|gt|amp);/gi,
'punctuation': /[{}[\];(),.:]/g,
'method': /.?[a-zA-Z0-9_?]+/g,
'operator': /[-+]{1,2}|!|=?<|=?>|={1,2}|(&){1,2}|\|?\||\?|\*|\//g,

};