$answer = read-host
$answer.replace(' ' , '""')

$answer = read-host
$answer -replace (' ')

$string = $string -replace 's',''

$string = $string -replace '(^s+|s+$)','' -replace 's+',' '

$string = $string.Trim()

'2033' -replace '(d+)',$( 'Data: $1')
Data: 2033

#Note there are spaces at the beginning and end
Write-Host " ! This is a test string !%^ "
 ! This is a test string !%^
#Strips standard whitespace
Write-Host " ! This is a test string !%^ ".Trim()
! This is a test string !%^
#Strips the characters I specified
Write-Host " ! This is a test string !%^ ".Trim('!',' ')
This is a test string !%^
#Now removing ^ as well
Write-Host " ! This is a test string !%^ ".Trim('!',' ','^')
This is a test string !%
Write-Host " ! This is a test string !%^ ".Trim('!',' ','^','%')
This is a test string
#Powershell even casts strings to character arrays for you
Write-Host " ! This is a test string !%^ ".Trim('! ^%')
This is a test string

$answer.replace(' ' , '')

$answer -replace " ", ""

$answer -replace "s", ""