Lexer in D

[Namespace]

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Total time (ms): 11374.4
Repetitions    : 200
Sample mode    : 56 (89 ocurrences)
Median time    : 56.312
Avg time       : 56.872
Std dev.       : 2.60698
Minimum        : 53.978
Maximum        : 81.602
95% conf.int.  : [51.7624, 61.9816]  e = 5.10959
99% conf.int.  : [50.1569, 63.5871]  e = 6.71514
EstimatedAvg95%: [56.5107, 57.2333]  e = 0.361303
EstimatedAvg99%: [56.3972, 57.3468]  e = 0.474832

I'm getting closer.