\ " " '(\\(.|[0-7]+|u[0-9a-fA-F]+)|.)' '[^';,\) ]* // /\* \*/ class def extends import object package trait type val var with boolean byte char double float int long short case catch do else finally for if match return throw try while yield abstract final implicit override private protected sealed false new null super this true (\b([0-9]+|0[xX][0-9a-fA-F]+)[Ll]?\b|\b(([0-9]+[Ee][-]?[0-9]+|([0-9]*\.[0-9]+|[0-9]+\.)([Ee][-]?[0-9]+)?)[fFdD]?|[0-9]+[FfDd]))