If you'd have to process a long list of encoded information, let's say a list of hexadecimal values, how would you split the list into pairs of two? Here is a way:
'this gets splitted in pairs of two' -split '(?<=\G.{2})(?=.)' th is g et s sp (...)
This would be more specific and split only hex values:
'00AA1CFFAB1034' -split '(?<=\G[0-9a-f]{2})(?=.)'
Now it's easy to reformat MAC addresses as well:
PS> '00AA1CFFAB1034' -split '(?<=\G[0-9a-f]{2})(?=.)' -join ':' 00:AA:1C:FF:AB:10:34
