以文本方式查看主题 - Foxtable(狐表) (http://foxtable.com/bbs/index.asp) -- 专家坐堂 (http://foxtable.com/bbs/list.asp?boardid=2) ---- 正则表达式提取问题 (http://foxtable.com/bbs/dispbbs.asp?boardid=2&id=188937) |
-- 作者:benwong2015 -- 发布时间:2023/11/1 10:28:00 -- 正则表达式提取问题 Dim txt As String = "+ 1.2990g" Dim pattern As String = "+(.*?)g" Dim str = System.Text.RegularExpressions.Regex.Matches(txt, pattern, "") Output.Show(str) 请问要提取+与g之间的所有字符,提示错误,请问如何修改?
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-- 作者:有点蓝 -- 发布时间:2023/11/1 10:38:00 -- Dim txt As String = "+ 1.2990g" Dim pattern As String = "(?<=\\+).*?(?=g)" Dim rgx = New System.Text.RegularExpressions.Regex(pattern, System.Text.RegularExpressions.RegexOptions.IgnoreCase) For Each match As System.Text.RegularExpressions.Match In rgx.Matches(txt) Output.Show(match.Value) Next
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