Need to match 6 digits with 5 digits where just 0 is extra

$UserList = Import-Csv -Path "j:\testad.csv"
$UserData = Import-Csv -Path "j:\testswn.csv"
$Lookup = @{}
$UserData | ForEach-Object {$Lookup[$_.EmployeeID] = $_}
$UserList | Select-Object -Property `
      EmployeeID, Givenname, sn, EmailAddress, StreetAddress, City, State, Country, PostalCode, `
      @{n='Telephone'; e={$Lookup[$_.EmployeeID].Telephone}}, @{n='PersonalEmail'; e={$Lookup[$_.EmployeeID].PersonalEmail}} |
      Export-Csv -NoTypeInformation -Path "j:\testresult2.csv"

Everything is fine but the thing is in one CSV file for some Employees id they are in 6 digits and others in 5 digits, so there the matching result we are getting is incorrect.

Ex- If in my first CSV there are 2 records of Employee id - 123456, 034567 where as in second CSV file it is like- 123456, 34567(0 is not there), so how can we change the equate equation for employee ids so that we can match 6 digits employee id with 5 digits in second csv?

$UserData | ForEach-Object {$Lookup[$_.EmployeeID] = $_}
Aakash AggarwalAsked:
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Jose Gabriel Ortega CastroCEOCommented:
Try this:
$UserData | ForEach-Object {$Lookup["0" +$_.EmployeeID] = $_}

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Since the leading "0" may only be present on some records, you would want to have padding out to the 6-character length.
Either of the following two should work.
$UserData | ForEach-Object {$Lookup[$_.EmployeeID.padleft(6,'0')] = $_}

$UserData | ForEach-Object {$Lookup.Add(($_.EmployeeID.padleft(6,'0')),$_)}

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Or cast the value as a number using [int] and do your comparisons numerically instead of text/string
Jose Gabriel Ortega CastroCEOCommented:
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