Help for this page
$str= "bbbcccbbb" while( $str =~ /b*/g ) { print "($`)<$&>($')\n" } ... (bbbcc)<>(cbbb) (bbbccc)<bbb>() (bbbcccbbb)<>() <-- This one
a bbbcccbbb . s/(b*)/x\1/g
xbbbcxcxcxbbb /\ /\ no "x"s there