Re^2: rotate a vector with a regex? (//g, s/\G)


There's more than one way to do things
	PerlMonks

Re^2: rotate a vector with a regex? (//g, s/\G)

by tye (Cardinal)

on Nov 21, 2012 at 18:13 UTC ( #1004979=note: print w/ replies, xml )

Need Help??

in reply to Re: rotate a vector with a regex?
in thread rotate a vector with a regex?

local $_ = '12345';
while( /(?=..)/g ) {
    my $pos = pos();
    s/\G(.)(.)/$2$1/;
    pos() = $pos + length($2);
}
print $_, $/
__END__
23451
[download]

- tye

Comment on Re^2: rotate a vector with a regex? (//g, s/\G) Download Code
Re^3: rotate a vector with a regex? (//g, s/\G) by remiah (Friar) on Nov 22, 2012 at 10:15 UTC
Hello tye. Thanks for reply zero width look ahead and \G . fine!	[reply]

In Section Seekers of Perl Wisdom

Node Status^?

node history
Node Type: note [id://1004979]
help

Chatterbox^?

How do I use this? | Other CB clients

Other Users^?

Others drinking their drinks and smoking their pipes about the Monastery: (16)

As of 2013-05-23 14:53 GMT

Sections^?

Information^?

Find Nodes^?

Leftovers^?

Voting Booth^?

The best material for plates (tableware) is:

Results (485 votes), past polls