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Proper lookaround assertion within regexp?

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Nicholas Kavouris
Nicholas Kavouris 2022 年 3 月 12 日
コメント済み: Walter Roberson 2022 年 3 月 14 日
Below sample of text generated from component readings and have to extract the Auger RPM and Fan RPM Sperately, what is the proper exrpression within the regexp function. I am currently using lookaroun assertions to do my selections.
Auger PWM: 135/255 RPM: 158 CCW: 1
AugerMaxReady 1
AugerReversed 0
Fan PWM: 192 RPM: 3750
Current Code as follows grabs all RPM values, instead of only fan or only auger. How do i give proper expression to select the RPM Value in the Correct column?
Auger_RPM=regexp(A,'(?<=RPM:).\d*(?!CCW:)','match')

回答 (1 件)

Walter Roberson
Walter Roberson 2022 年 3 月 12 日
A = "Auger PWM: 135/255 RPM: 158 CCW: 1" + newline + "Fan PWM: 192 RPM: 3750"
A =
"Auger PWM: 135/255 RPM: 158 CCW: 1 Fan PWM: 192 RPM: 3750"
Auger_RPM = regexp(A, '(?<=^Auger.*RPM:\s+)\d+', 'dotexceptnewline', 'match', 'once', 'lineanchors')
Auger_RPM = "158"
Fan_RPM = regexp(A, '(?<=^Fan.*RPM:\s+)\d+', 'dotexceptnewline', 'match', 'once', 'lineanchors')
Fan_RPM = "3750"
  2 件のコメント
Nicholas Kavouris
Nicholas Kavouris 2022 年 3 月 14 日
unfortunately neither of these lines work to find the proper data from the text file
Walter Roberson
Walter Roberson 2022 年 3 月 14 日
Is 158 and 3750 not the proper data? Were you trying to extract the 135/255 and 192 instead of the RPM field?
Or is your file different than what you outlined?
Perhaps you could attach an example file for testing.

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