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function Get-NameRegex {
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param(
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$Str,
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$Regex,
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$Exclude,
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[switch] $End
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)
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# 查詢 Regex 字串中定義的 TAG,並將其作為 Scriptblock
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$Keyfind = {
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process{
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if ($_ -match "\(\?\<(.*?)\>") {
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$Matches[1]
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} else {
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Write-Error "$_ 沒有定義(?<TAG>)"
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}
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}
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}
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# 將原函式轉為 Scriptblock,以方便 Exclude 功能遞迴呼叫
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$InnerScrip = {
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# 取用管線傳入的 hash 進行 match
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process {
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$Key = $_["Regex"] | &$Keyfind
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if ($_["Target"] -match $_["Regex"]) {
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$Result = @{
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$Key = $Matches[$Key]
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# 將錨定字串中的特殊字元轉換為一般字串
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Anchor = $Matches[0] -replace "([\[\]\(\)])", '\$1'
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}
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$LR = $_["Target"] -split $Result["Anchor"]
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$Result.Add("L", $LR[0])
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$Result.Add("R", $LR[1])
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# 對 Anchor 結果,以 $Exclude 進行比對,符合則加入剩餘字串重新 match
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if ($Exclude -and($Result["Anchor"] -match $Exclude)) {
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$Result.Add("Regex", $_["Regex"])
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$Result.Add("Target", $Result["L"])
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return $Result | &$InnerScrip
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}
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# 結尾模式,僅輸出符合 TAGKEY 的 hash
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if ($End) { return @{ $Key = $Result[$Key] } } else { return $Result }
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}
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}
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}
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#Write-Host $Str
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# Regex 可輸入複數個
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$Regex | % { @{ Target = $Str; Regex = $_; } } | &$InnerScrip
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}
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# Example
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# $RS1 | % { Get-NameRegex $_["L"] -Regex $NameRegex -Exclude "(BD|DVD|HDTV)RIP" -End }
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# $TestName | % { Get-NameRegex $_ -Regex $Regex } | % { $(Get-NameRegex $_["L"] -Regex $NameRegex -Exclude "(BD|DVD|HDTV)RIP" -End) + $_ }
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