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a guest Oct 14th, 2019 74 Never
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  1. function Measure-SubStringCount {
  2.     <#
  3.         .SYNOPSIS
  4.             Counts occurrences of a regex pattern in the input, shows them with -Verbose
  5.         .DESCRIPTION
  6.             Written as an example of how the Regex MatchEvalutor can be (ab)used for good.
  7.     #>
  8.     [CmdletBinding()]
  9.     param(
  10.         [string]$Pattern,
  11.         [Parameter(ValueFromPipeline)]$InputObject
  12.     )
  13.     begin {
  14.         $script:i = 0
  15.     }
  16.     process {
  17.         Write-Verbose "`e[39m$([regex]::Replace($InputObject, $Pattern, { $script:i++; "`e[91m${script:i}`e[39m" }))"
  18.     }
  19.     end {
  20.         $script:i
  21.     }
  22. }
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