sorry, I always thought than View=Viewports, RRename.vlx works perfectly.

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Command: RRENAME
Rename [Blocks/Layers/lineTypes/layOuts/Views/Textstyles/Dimstyles/tAblestyles/Materials/viewPorts/Ucs/Groups] <layOuts>: p
Use () and $1 for regular expressions, # as counter
Source substring or regex to find (e.g. '(.+)'): 16500
Target substring or regex to replace (e.g. '$1_NEW'): xxx
16500->xxx
Performed 1 rRename
Command:
Command:
Command:
Command: _+vports
Tab index <0>: 1 Regenerating model.
thanks a lot.
but how can I use rrename.vlx with cameras? cameras are not views? if not, could add support for views?
Command: RRENAME
Rename [Blocks/Layers/lineTypes/layOuts/Views/Textstyles/Dimstyles/tAblestyles/Materials/viewPorts/Ucs/Groups] <viewPorts>: p
Use () and $1 for regular expressions, # as counter
Source substring or regex to find (e.g. '(.+)'): camera1
Target substring or regex to replace (e.g. '$1_NEW'): camera01
Performed 0 rRenames
Command: