Sequence numbers in a CNC program Marked as Unimportant

[tteboe]

I'd like to mark sequence numbers (N1... or ;N1...) as unimportant when comparing CNC output text.
I'd like to believe someone has either done this or something similar.
Items begining with "N" or ";N" are sequence numbers and will always have a white space after.
How do you go about telling BC to ignore N1 to infinity?

Below is an example output:
N7300 G505
N7310 G0 X0.0 Y.13893 Z442.21502 S2500 D1 M3 M52 M106
N7320 F300.
N7330 Z2.38882 D1 M07
N7340 CYCLE81(442.215,-0.111,2.5,-153.891,,0,0,0,12)
;End of Path
N7350 TRANS X0 Y0 Z0
N7360 TRAFOOF
N7370 SUPA G0 Z750. D0
;N7380 SUPA G0 X0.0 Y500. A0.0 B0.0 D1
N7390 CYCLE832(0,0,1)
N7400 M5

Thanks for taking time to look at this.
Talbot Teboe

[Chris]

See the Define Unimportant Text in Beyond Compare article on our website.

When you follow the instructions at the above link, select Basic, then check Regular Expression.
Use the expression: ^;?N\d+

Explanation of the regular expression:
^ - beginning of a line
? - match on 0 or 1 of the preceding character
\d - any decimal character
+ - one or more of the preceding character

See the "Regular Expression Reference" topic in Beyond Compare's help file for more on regular expressions.

[tteboe]

Thank you. Hopefully I will give a go yet today.
I was not even close to what you have illustrated.