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count value in a string between the parenthese


CadFrank

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(defun parPosition (string / PositionStart PositionEnd)
   (setq PositionStart (vl-string-position (ascii "(") string))
   (setq PositionEnd (vl-string-position (ascii ")") string))
   (setq Count (- PositionEnd PositionStart))
   Count
)

 

Like this :D

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(defun parPosition (string / PositionStart PositionEnd)
   (setq PositionStart (vl-string-position (ascii "(") string))
   (setq PositionEnd (vl-string-position (ascii ")") string))
   (setq Count (- PositionEnd PositionStart))
   Count
)

 

Like this :D

Not quite. You should subtract 1 from count.
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How do I control an error of if block not selected return to the beginning?

You should start a new topic. And explain better.

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Try this once

(vl-list->string (reverse (member 41 (reverse (member 40 (vl-string->list "aa(bbb)cccc"))))))

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