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Excel每日一练:正则函数提取数据练习【有讲解视频】

  • 2026-09-23 09:50:56
Excel每日一练:正则函数提取数据练习【有讲解视频】

请在B列输入公式，提取A列第一个中文字符前的规格。

提取效果如B列所示。

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基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-09-23 19:02:18 HTTP/1.1 GET : http://h.sjds.net/a/464709.html
  2. 运行时间 : 0.083389s [ 吞吐率：11.99req/s ] 内存消耗：4,272.95kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=bc6272999d197e4d24e856fa44d236d5
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  1. CONNECT:[ UseTime:0.000469s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000596s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000320s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000347s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000695s ]
  6. SELECT * FROM `set` [ RunTime:0.000334s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000688s ]
  8. SELECT * FROM `article` WHERE `id` = 464709 LIMIT 1 [ RunTime:0.000737s ]
  9. UPDATE `article` SET `lasttime` = 1790161338 WHERE `id` = 464709 [ RunTime:0.001300s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000371s ]
  11. SELECT * FROM `article` WHERE `id` < 464709 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000443s ]
  12. SELECT * FROM `article` WHERE `id` > 464709 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000457s ]
  13. SELECT * FROM `article` WHERE `id` < 464709 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000516s ]
  14. SELECT * FROM `article` WHERE `id` < 464709 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000560s ]
  15. SELECT * FROM `article` WHERE `id` < 464709 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000596s ]
0.093650s