@- $-[0] is the offset of the start of the last successful match

$^N The text matched by the used group most-recently closed (i.e. the group with the rightmost closing parenthesis) of the last successful

${^MATCH} This is similar to $& ($MATCH

$[ This variable stores the index of the first element in an array, and of the first character in a substring. The default is 0, but you could

$" When an array or an array slice is interpolated into a double-quoted string or a similar context such as /

${^TAINT} Reflects if taint mode is on or off. 1 for on (the program was run with -T), 0 for off, -1 when only taint warnings are enabled

$^V The revision, version, and subversion of the Perl interpreter, represented as a version object. This variable

${^PREMATCH} This is similar to $` ($PREMATCH) except that it does not incur the performance

$b Special package variables when using sort()

$] The revision, version, and subversion of the Perl interpreter, represented as a decimal of the form 5.XXXYYY, where XXX is the version /