How to reverse find through powershell script in contents of the file

Question

Hello All,
Following script is to perform the find and replace in the files:
[CmdletBinding(SupportsShouldProcess=$True)]
param (
[Parameter(Mandatory=$true)]
[string] $inst1 = $null,
[Parameter(Mandatory=$true)]
[string] $inst2 = $null,
[Parameter(Mandatory=$true)]
[string] $FPath = $null
(get-content $FPath) | foreach-object {$_ -replace $inst1, $inst2} | set-content $FPathAbove script find and replace from starting of the string in the file contents.Please suggest how to achieve find and replace from last of the string for example:string is a\b\c\d\e and find "\" from last and replace it with Test, output should be Teste.Thank You

Answer 1

#string is a\b\c\d\e and find "\" from last and replace it with Test, output should be Teste.
$string = 'a\b\c\d\e'
$Replace = 'Test'
$string -replace '.+\\',$Replace
Teste
[string](0..33|%{[char][int](46+("686552495351636652556262185355647068516270555358646562655775 0645570").substring(($_*2),2))})-replace " "