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Merge pull request #68 from StartAutomating/MoreUnixRegEx
More Unix Regular Expressions
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‎Irregular.psd1‎

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@{
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ModuleVersion = '0.6.1'
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ModuleVersion = '0.6.2'
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RootModule = 'Irregular.psm1'
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Description = 'Regular Expressions made Strangely Simple'
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FormatsToProcess = 'Irregular.format.ps1xml'
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IconURI = 'https://github.com/StartAutomating/Irregular/blob/master/Assets/Irregular_600_Square.png'
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}
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ReleaseNotes = @'
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0.6.2
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---
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New Regular Expressions:
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* ?<Unix_Cron_Interval> (Fixes #67)
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* ?<Unix_Duration> (Fixes #69)
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0.6.1
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---
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* New Command: Remove-RegEx (Fixes #62)

‎README.md‎

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<img src='Assets/Irregular_Wide.png' />
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<h2>Regular Expressions made Strangely Simple</h2>
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<h3>A PowerShell module that helps you understand, use, and build Regular Expressions.</h3>
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<a href='https://dev.azure.com/StartAutomating/Irregular/_build/latest?definitionId=1&branchName=master'>
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<img src='https://dev.azure.com/StartAutomating/Irregular/_apis/build/status/StartAutomating.Irregular?branchName=master' />
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<a href='https://github.com/StartAutomating/Irregular/actions/workflows/IrregularTests.yml'>
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<img src='https://github.com/StartAutomating/Irregular/actions/workflows/IrregularTests.yml/badge.svg' />
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</a>
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</div>
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‎RegEx/Unix/Cron_Interval.regex.source.ps1‎

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$myName = ($MyInvocation.MyCommand.ScriptBlock.File | Split-Path -Leaf) -replace '\.source', '' -replace '\.ps1', '.txt'
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$myRoot = $MyInvocation.MyCommand.ScriptBlock.File | Split-Path
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Write-RegEx -Description "Matches a Cron interval" |
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Write-RegEx -Pattern @'
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(?>
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(?<Any>\*) # An asterisk
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| # or
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(?<Start>
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(?>[0-5][0-9]|[0-4]\d|\d{1,1}) # A number between 0 and 59
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)
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(?<End>
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\- # a dash
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(?>[0-5][0-9]|[0-4]\d|\d{1,1}) # followed by another number between 0 and 59
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){0,1}
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(?<Or>\,){0,1} # followed by an optional comma (which indicates 'or')
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)
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'@ -Name Minute -Min 1 |
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Write-RegEx -CharacterClass Whitespace -Comment "# A space" |
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Write-RegEx -Pattern @'
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(?>
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(?<Any>\*) # An asterisk
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| # or
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(?<Start>
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(?>[0-2][0-3]|[0-1]\d|\d{1,1}) # A number between 0 and 23
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)
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(?<End>
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\- # a dash
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(?>[0-2][0-3]|[0-1]\d|\d{1,1}) # followed by another number between 0 and 23
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){0,1}
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(?<Or>\,){0,1} # followed by an optional comma (which indicates 'or')
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)
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'@ -Name Hour -Min 1 |
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Write-RegEx -CharacterClass Whitespace -Comment "# A space" |
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Write-RegEx -Pattern @'
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(?>
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(?<Any>\*) # An asterisk
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| # or
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(?<Start>
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(?>3[0-1]|[0-2][1-9]|[1-9]) # A number between 1 and 31
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)
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(?<End>
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\- # a dash
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(?>3[0-1]|[0-2][1-9]|[1-9]) # followed by another number between 1 and 31
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){0,1}
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(?<Or>\,){0,1} # followed by an optional comma (which indicates 'or')
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)
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'@ -Name Day -Min 1 |
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Write-RegEx -CharacterClass Whitespace -Comment "# A space" |
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Write-RegEx -Pattern @'
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(?>
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(?<Any>\*) # An asterisk
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| # or
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(?<Start>
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(?>1[0-2]|[1-9]) # A number between 1 and 12
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)
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(?<End>
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\- # a dash
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(?>1[0-2]|[1-9]) # followed by another number between 1 and 12
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){0,1}
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(?<Or>\,){0,1} # followed by an optional comma (which indicates 'or')
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)
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'@ -Name Month -Min 1 |
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Write-RegEx -CharacterClass Whitespace -Comment "# A space" |
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Write-RegEx -Pattern @'
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(?>
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(?<Any>\*) # An asterisk
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| # or
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(?<Start>
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(?>[0-6]) # A number between 0 and 6
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)
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(?<End>
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\- # a dash
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(?>[0-6]) # followed by another number between 0 and 6
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){0,1}
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(?<Or>\,){0,1} # followed by an optional comma (which indicates 'or')
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)
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'@ -Name DayOfWeek -Min 1 |
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Set-Content -Path (Join-Path $myRoot $myName) -PassThru
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‎RegEx/Unix/Cron_Interval.regex.txt‎

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# Matches a Cron interval
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(?<Minute>(?>
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(?<Any>\*) # An asterisk
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| # or
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(?<Start>
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(?>[0-5][0-9]|[0-4]\d|\d{1,1}) # A number between 0 and 59
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)
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(?<End>
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\- # a dash
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(?>[0-5][0-9]|[0-4]\d|\d{1,1}) # followed by another number between 0 and 59
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){0,1}
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(?<Or>\,){0,1} # followed by an optional comma (which indicates 'or')
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)){1,}\s # A space
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(?<Hour>(?>
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(?<Any>\*) # An asterisk
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| # or
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(?<Start>
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(?>[0-2][0-3]|[0-1]\d|\d{1,1}) # A number between 0 and 23
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)
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(?<End>
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\- # a dash
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(?>[0-2][0-3]|[0-1]\d|\d{1,1}) # followed by another number between 0 and 23
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){0,1}
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(?<Or>\,){0,1} # followed by an optional comma (which indicates 'or')
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)){1,}\s # A space
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(?<Day>(?>
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(?<Any>\*) # An asterisk
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| # or
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(?<Start>
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(?>3[0-1]|[0-2][1-9]|[1-9]) # A number between 1 and 31
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)
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(?<End>
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\- # a dash
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(?>3[0-1]|[0-2][1-9]|[1-9]) # followed by another number between 1 and 31
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){0,1}
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(?<Or>\,){0,1} # followed by an optional comma (which indicates 'or')
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)){1,}\s # A space
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(?<Month>(?>
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(?<Any>\*) # An asterisk
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| # or
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(?<Start>
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(?>1[0-2]|[1-9]) # A number between 1 and 12
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)
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(?<End>
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\- # a dash
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(?>1[0-2]|[1-9]) # followed by another number between 1 and 12
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){0,1}
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(?<Or>\,){0,1} # followed by an optional comma (which indicates 'or')
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)){1,}\s # A space
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(?<DayOfWeek>(?>
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(?<Any>\*) # An asterisk
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| # or
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(?<Start>
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(?>[0-6]) # A number between 0 and 6
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)
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(?<End>
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\- # a dash
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(?>[0-6]) # followed by another number between 0 and 6
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){0,1}
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(?<Or>\,){0,1} # followed by an optional comma (which indicates 'or')
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)){1,}

‎RegEx/Unix/Duration.regex.source.ps1‎

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

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# Matches a Duration, defined in ISO 8601
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P # A literal P denotes the period
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(?>
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(?<Year>\d+)Y # An optional year can be denoted with \d+Y
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)?(?>
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(?<Month>\d+)M # An optional month can be denoted with \d+M
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)?(?>
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(?<Week>\d+)W # An optional week can be denoted with \d+W
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)?(?>
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(?<Day>\d+)D # An optional day can be denoted with \d+D
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)?T? # A literal T starts the time component
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(?>
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(?<Hour>\d+)H # An optional hour can be denoted with \d+H
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)?(?>
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(?<Minute>\d+)M # An optional minute can be denoted with \d+M
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)?(?>
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(?<Second>\d+)S # An optional second can be denoted with \d+S
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)?

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