MatchData#begin

MatchData#begin e$B$NJV$9CM$,%P%$%HC10L$J$h$&$K;W$$$^$9!#e(B

% ./ruby -Ke -ve ’
s = “e$B$”$$$&$($*e(Ba"
p s.encoding
/a/ =~ s
p $~.begin(0)’
ruby 1.9.0 (2007-11-22 patchlevel 0) [i686-linux]
Encoding:EUC-JP
10