Benchmark of Regex Libraries16.03 Column `Algo' indicates the algorithm for regex. `BT'=backtracking, and `FSA'=finite state machine. Column `UTF-8' indicates if the library explicitly supports UTF-8 encoding. See also the Unicode section on wiki. Column `Perl' denotes if the library supports advanced perl-compatible syntax, such as word boundaries and back reference. Column `Light' shows whether the library is implemented i
