Test-StringPattern.ps1

function Test-StringPattern {
    [CmdletBinding(
        HelpURI='http://dfch.biz/biz/dfch/PS/System/Utilities/Get-ComObjectType/'
    )]
PARAM (
    [Parameter(ValueFromPipeline=$true, Mandatory=$true, Position=0)]
    $InputObject
    ,
    [Parameter(Mandatory=$false,ParameterSetName='guid')]
    [switch] $Guid
    ,
    [Parameter(Mandatory=$false,ParameterSetName='urn')]
    [switch] $Urn
    ,
    [ValidateSet('guid', 'urn', 'hp', 'hp4345', 'hp3027', 'lx544', 'scan')]
    [Parameter(Mandatory=$false,ParameterSetName='type')]
    [string] $Type
    ,
    [Parameter(Mandatory=$false)]
    [switch] $Extract = $false
)

[string] $fn = $MyInvocation.MyCommand.Name;
$fReturn = $false;
$OutputParameter = $null;
$Matches = $null;

switch($PSCmdlet.ParameterSetName) {
'guid' {
    $Pattern = '[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}';
    $fReturn = $InputObject -match $Pattern;
}
'urn' {
    $Pattern = '(urn:vcloud:[^:]+):([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})';
    $fReturn = $InputObject -match $Pattern;
}
'type' {
    switch($Type) {
    'hp' {
        $Pattern = '^(?<Name>doc-?[^_]*)_(?<Year>\d{4})(?<Month>\d{2})(?<Day>\d{2})(?<Hour>\d{2})(?<Minute>\d{2})(?<Second>\d{2})(?<Counter>\d{2})(?<Extension>\..+)$';
        $fReturn = $InputObject -match $Pattern;
    }
    'hp4345' {
        $Pattern = '^(?<Name>doc-?[^_]*)_(?<Year>\d{4})(?<Month>\d{2})(?<Day>\d{2})(?<Hour>\d{2})(?<Minute>\d{2})(?<Second>\d{2})(?<Counter>\d{2})(?<Extension>\..+)$';
        $fReturn = $InputObject -match $Pattern;
    }
    'hp3027' {
        $Pattern = '^(?<Name>\[[^\-_]+-?)_(?<Year>\d{4})(?<Month>\d{2})(?<Day>\d{2})(?<Hour>\d{2})(?<Minute>\d{2})(?<Second>\d{2})(?<Counter>\d{2})(?<Extension>\..+)$';
        $fReturn = $InputObject -match $Pattern;
        if($fReturn -and ( ($Matches.Month -gt 12) -or ($Matches.Day -gt 31) )) { $fReturn = $false; }
    }
    'lx544' {
        $Pattern = '^(?<Name>doc)-(?<Year>\d{4})(?<Month>\d{2})(?<Day>\d{2})_(?<Hour>\d{2})(?<Minute>\d{2})(?<Second>\d{2})(?<Counter>\d{2})(?<Extension>\..+)$';
        $fReturn = $InputObject -match $Pattern;
        if($fReturn -and ( ($Matches.Year -le 1300) -or ($Matches.Month -gt 12) -or ($Matches.Day -gt 31) )) { $fReturn = $false; }
    }
    'scan' {
        $Pattern = '^(?<Name>doc)---(?<Year>\d{4})-(?<Month>\d{2})-(?<Day>\d{2})---(?<Hour>\d{2})-(?<Minute>\d{2})-(?<Second>\d{2})---(?<Counter>\d{2})(?<Extension>\..+)$';
        $fReturn = $InputObject -match $Pattern;
        if($fReturn -and ( ($Matches.Year -le 1300) -or ($Matches.Month -gt 12) -or ($Matches.Day -gt 31) )) { $fReturn = $false; }
    }
    default {
        $e = New-CustomErrorRecord -m ("Cannot validate argument on parameter 'Type': '{0}'. Aborting ..." -f $Type) -cat InvalidData -o $Type;
        Log-Error $fn $e.Exception.Message;
        $PSCmdlet.ThrowTerminatingError($e);
    }
    } # switch
}
default {
    $e = New-CustomErrorRecord -m ("A parameter cannot be found that matches parameter name 'PSCmdlet.ParameterSetName': '{0}'. Aborting ..." -f $PSCmdlet.ParameterSetName) -cat InvalidArgument -o $PSCmdlet.ParameterSetName;
    Log-Error $fn $e.Exception.Message;
    $PSCmdlet.ThrowTerminatingError($e);
}
} # switch

if($Extract -and $fReturn) { 
    $OutputParameter = $Matches; 
} else {
    $OutputParameter = $fReturn; 
} # if
return $OutputParameter;

} # Test-StringPattern

if($MyInvocation.ScriptName) { Export-ModuleMember -Function Test-StringPattern; } 

#
# Copyright 2014-2015 d-fens GmbH
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

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