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