Test-Json.ps1
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function Test-Json { <# .SYNOPSIS Tests if the passed string is valid JSON; returns $true or $false .PARAMETER Json The string to validate; this can be multiline, for example the content of a file .EXAMPLE Get-Content -Path C:\temp\myfile.json | Test-Json True .NOTES General notes # https://stackoverflow.com/a/57092959/9335336 #> [CmdletBinding()] param ( [parameter(Mandatory, Position = 0)] [ValidateNotNullOrEmpty()] $Json ) $jsonString = $Json -replace '(?m)(?<=^([^"]|"[^"]*")*)//.*' -replace '(?ms)/\*.*?\*/' -join ' ' Microsoft.PowerShell.Utility\Test-Json -Json $jsonString -ErrorAction 'SilentlyContinue' } |