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发表于 2018-8-14 18:25 | 显示全部楼层 |阅读模式
CAD中大量的多行文字,怎么只提取括号中的数据
  
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发表于 2018-8-15 11:01 | 显示全部楼层
本帖最后由 namezg 于 2018-8-15 11:20 编辑

(setq str "3.40(5.18)")
(car (read (substr str (1+ (vl-string-search "(" str)))));5.18

(setq str "3.40(5.18)")
(read (substr str (+ (vl-string-search "(" str) 2)));5.18

(setq str "3.40(5.18)")
(setq n (vl-string-search "(" str))
(substr str (+ n 2) (- (strlen str) n 2));"5.18"

(setq str "3.40(5.18)")
(vl-string-trim ")" (substr str (+ (vl-string-search "(" str) 2)));"5.18"

(setq str "3.40(5.18)")
(vl-string-trim "()" (substr str (1+ (vl-string-search "(" str))))

(setq str "3.40(5.18)")
(vl-string-right-trim ")" (substr str (+ (vl-string-search "(" str) 2)));"5.18"

(setq str "3.40(5.18)")
(vl-list->string (reverse (cdr (reverse (cdr (member (ascii "(") (vl-string->list str)))))));"5.18"

(setq str "3.40(5.18)")
(apply 'strcat (reverse (cdr (reverse (cdr (member "(" (mapcar 'chr (vl-string->list str))))))));"5.18"




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发表于 2018-8-14 20:08 | 显示全部楼层
(setq str "3.40(5.18)")
(car (read (substr str (1+ (vl-string-position (ascii "(") str)))))
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