Reply 01 for post https://powershell.org/forums/topic/string-output-manipualtion/

powershell-forum-string-output-manipualtion-reply-01.ps1

$osInfo = Get-WmiObject -Class Win32_OperatingSystem -Property Name

# Using the PowerShell -split operator to split the string into an array
# and output the first array item containing the operating system name
($osInfo.Name -split '\|')[0]

# Using the Split method of the .NET String class to split the string into an array
# and output the first array item containing the operating system name
$osInfo.Name.Split('|')[0]

# Using the IndexOf method to find the first occurence of the pipe symbol and than leverage
# the Substring method to extract the operating system name from the string
$osInfo.Name.Substring(0, $osInfo.Name.IndexOf('|'))

# Using the PowerShell -match operator with a regular expression to extract the operating system name
if ($osInfo.Name -match '^(.+?)\|') { $Matches[1] }

# Using the PowerShell -match operator with a regular expression 
# and a named capturing group to extract the operating system name
if ($osInfo.Name -match '^(?<Caption>.+?)\|') { $Matches.Caption }

# Using the static Match method of the .NET Regex class to extract the operating system name
[System.Text.RegularExpressions.Regex]::Match($osInfo.Name, '^(.+?)\|').Groups[1].Value

# Using the static Match method of the .NET Regex class and a named capturing group to extract the operating system nam
[System.Text.RegularExpressions.Regex]::Match($osInfo.Name, '^(?<Caption>.+?)\|').Groups['Caption'].Value