Model export bug with NPU version 6.4.6.2

[johndoe]

The model export fails during conversion if there are any digits before alphabets

Working names:
resnet-v2
resnet_v2
resnet-v2-34
resnetv2-34

Fails
resnet34v2
resnet34_v2

[Frank]

@johndoe I am aware of this bug and will solve the problem in the next release. Thank you