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Perl Programming/Keywords/pos
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Perl pop print Keywords
The pos keyword
pos returns the offset of the last m//g search left off for the variable in question. If no variable is passed, $_ is used instead. 0 is a valid match offset. An undef indicates that the search position is reset. This may occur due to a match failure or no match has yet been run on this scalar.
Syntax
pos SCALAR
pos
See also
m
Perl pop print Keywords