RegEx/Unix/Duration.regex.source.ps1
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$myName = ($MyInvocation.MyCommand.ScriptBlock.File | Split-Path -Leaf) -replace '\.source', '' -replace '\.ps1', '.txt' $myRoot = $MyInvocation.MyCommand.ScriptBlock.File | Split-Path Write-RegEx -Description "Matches a Duration, defined in ISO 8601" | Write-RegEx -LiteralCharacter 'P' -Comment "A literal P denotes the period" | Write-RegEx -Atomic -Pattern ( Write-RegEx -CharacterClass Digit -Repeat -Name Year | Write-RegEx -LiteralCharacter 'Y' -Comment "An optional year can be denoted with \d+Y" ) -Optional | Write-RegEx -Atomic -Pattern ( Write-RegEx -CharacterClass Digit -Repeat -Name Month | Write-RegEx -LiteralCharacter 'M' -Comment "An optional month can be denoted with \d+M" ) -Optional | Write-RegEx -Atomic -Pattern ( Write-RegEx -CharacterClass Digit -Repeat -Name Week | Write-RegEx -LiteralCharacter 'W' -Comment "An optional week can be denoted with \d+W" ) -Optional | Write-RegEx -Atomic -Pattern ( Write-RegEx -CharacterClass Digit -Repeat -Name Day | Write-RegEx -LiteralCharacter 'D' -Comment "An optional day can be denoted with \d+D" ) -Optional | Write-RegEx -LiteralCharacter 'T' -Comment "A literal T starts the time component" -Optional | Write-RegEx -Atomic -Pattern ( Write-RegEx -CharacterClass Digit -Repeat -Name Hour | Write-RegEx -LiteralCharacter 'H' -Comment "An optional hour can be denoted with \d+H" ) -Optional | Write-RegEx -Atomic -Pattern ( Write-RegEx -CharacterClass Digit -Repeat -Name Minute | Write-RegEx -LiteralCharacter 'M' -Comment "An optional minute can be denoted with \d+M" ) -Optional | Write-RegEx -Atomic -Pattern ( Write-RegEx -CharacterClass Digit -Repeat -Name Second | Write-RegEx -LiteralCharacter 'S' -Comment "An optional second can be denoted with \d+S" ) -Optional | Set-Content -Path (Join-Path $myRoot $myName) |