作者查詢 / LPH66
作者 LPH66 在 PTT [ RegExp ] 看板的留言(推文), 共297則
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1F推:以第四行為例 .*? 抓到了 " vol.1"11/10 04:15
2F→:如果你只要給 2 和 02 過的話→ Heart.*?[^0-9]0?2[\D]*$11/10 04:16
3F→:你需要給兩個部份一個明確的分界點 (以上一行為例即[^0-9])11/10 04:17
4F→:如果這個分界點多了 ? 的話就會變成它可以是空字串11/10 04:18
5F→:因此就會劃在你意想不到的位置 (像第四行就是在 1 2 之間)11/10 04:18
1F→:調換一下順序 排上面的會優先抓到11/06 21:29
1F推:因為那上面似乎弄錯了 那個的正確寫法應該是 (.|\n)09/11 09:11
2F→: . 在 [] 裡就只是一個點 其他什麼都不是09/11 09:11
1F推:括起來然後取 \1 (詳細方法請看你所使用的Regexp引擎說明)06/24 16:58
1F推:"\\(.+?\\)" 你的 \ 要給 Regex.Replace 物件看06/22 19:04
2F→:所以給 C# compiler 看的時候要寫兩次06/22 19:04
3F→: 函式 (改1F錯字)06/22 19:05
2F推:/\[(.*)\*\]$/ 這樣就好啦...要 * 這個字就用 \* 就好06/17 00:42
3F→:如果星號不固定出現就再黏個 ? 上去就好06/17 00:42
13F推:呃 我不是有說不固定出現就再黏個 ? 上去嗎 orz06/20 23:22
1F推:這比較像 wildcard character 而不是 regexp...03/23 00:32
1F推:你理解的都是對的。數學上的 RE 是不包含 back reference03/17 15:27
2F→:加上 back ref 的話會落在數學上的 RE 和 context-free 之間03/17 15:28
1F推:推一個03/15 10:24
1F推:你搞錯 ? 的用法了...它並不需要 | 就能發揮作用02/17 01:08