Let us assume that the guests are Mr Jain, Mr Jacobs, Ms Sanders, Mr Shah and Mr Hugo.

1. Open a new file in Visual Studio Code and, in the script pane, type the following.

$GuestsRaw = Read-Host "Enter the guest names, separated by commas"
$Guests = $GuestsRaw -split ",$([regex]'[s]*')"

$Guests | ForEach-Object { Write-Output "Welcome, $PSItem!" }

2. Run the script, and at the prompt, type in the names of the guests:

PS> Mr Jain, Mr Jacobs, Ms Sanders, Mr Shah, Mr Hugo