idwma

(type a.xml) -join '' -replace '\s+<direction.*>ABC<.*?/direction>','' -replace '>\s',">`r`n"
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idwma

回复 3# 5i365

不稳吗?正则挻通用的万金油

$a=type a.xml
$ofs="`n"
"$a" -replace '\s*<direction[\s\S]*>ABC<[\s\S]*?/direction>',''
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idwma

回复 11# 5i365

sc b.xml ([io.file]::ReadAllText("a.xml") -replace '\s*<direction.*>[\r\n\s]*<.*>ABC<[\s\S]*?/direction>','')
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idwma

回复 10# 5i365

https://docs.microsoft.com/zh-cn/previous-versions/dotnet/netframework-4.0/ms256086(v=vs.100)
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[xml]$a=type a.xml
$b=$a.SelectSingleNode("//descendant::direction[direction-type/rehearsal='ABC']")
$b.ParentNode.RemoveChild($b)
$a.save("b.xml")
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idwma

回复 14# 5i365

那这样呢,不需要知道节点的信息了

$a="\s*<.*>[\r\n\s]*<.*>[\r\n\s]*<.*>ABC<.*>[\r\n\s]*<.*>[\r\n\s]*<.*>"
sc b.xml ([io.file]::ReadAllText("a.xml") -replace "$a",'')  -encoding utf8
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idwma

回复 17# 5i365

那这样呢

$test = @'
<?xml version="1.0" encoding="UTF-8"?>
<score-partwise version="3.1">
  <part id="P1">
    <measure number="1" width="118.81">
      <direction placement="above">
        <direction-type>
          <rehearsal default-x="-20.55" relative-y="30.00" font-weight="bold" font-size="14">ABC</rehearsal>
          </direction-type>
        </direction>
      <direction placement="above">
        <direction-type>
          <rehearsal default-x="-40.55" relative-y="60.00" font-weight="bold" font-size="14">CDE</rehearsal>
          </direction-type>
        </direction>
      </measure>
    </part>
  </score-partwise>
'@

[xml]$a = $test

$b = $a.SelectSingleNode("//*[./.='ABC']")
$b.ParentNode.RemoveChild($b)

$a.save("b.xml")
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idwma

回复 23# 5i365


    ps 2.0,试了可以删两层

idwma

回复 27# 5i365


    又解锁了新支线任务什么是dtd文件

idwma

回复 29# 5i365


   技穷了,这个乐谱文件解析时还出错

idwma

回复 35# 5i365

$a.SelectSingleNode("//*[*/rehearsal='A']")
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idwma

回复 37# 5i365

搜一下就有了照抄了
     https://developer.mozilla.org/en ... Functions/translate

$a.SelectSingleNode("//*[*/rehearsal=translate('a', 'abcdefghijklmnopqrstuvwxyz','ABCDEFGHIJKLMNOPQRSTUVWXYZ')]")
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