PSHelpFunctions.psm1
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function Remove-BadStringCharacters { <# .SYNOPSIS Remove bad string characters .DESCRIPTION Removes bad character so it is easier to use within script, for example I am swedish and we have äöå alot in our language, this converts äöå to aoa instead. .PARAMETER String The string to convert .EXAMPLE Remove-BadStringCharacters("Hej är du hemma eller åker du bil?") OUTPUT Hej ar du hemma eller aker du bil? #> param( [parameter(mandatory)] [string]$String ) [Text.Encoding]::ASCII.GetString([Text.Encoding]::GetEncoding("Cyrillic").GetBytes($String)) } function Get-ValueWithinString { <# .SYNOPSIS Find a value within a large string. .DESCRIPTION Find a value within a larger string, for example if you want to retrieve a a code within a large string set (Regex helpfunction) .PARAMETER InputString The string you want to look for data in. .PARAMETER Begin The text to begin with .PARAMETER End The text to End with, everything inbetween Begin and End .EXAMPLE $String = "Every email is sent with this text, here is a code: 23498 please use this" #This will get everything inbetween "code: " AND " please" Get-ValueWithinString -InputString $String -Begin "code: " -End " please" OUTPUT 23498 #> param( [parameter(mandatory)] $InputString, [parameter(mandatory)] $Begin, [parameter(mandatory)] $End ) return ([regex]::match("$($InputString)","$($Begin)(.*?)$End").Groups[1].Value).Trim() } Function Convert-UTF8ToString { <# .SYNOPSIS If your text returns some wierd UTF8 values .DESCRIPTION There are some cases when PowerShell will give you wierd UTF8 Data when retrieving API requests and Content-Type charset=utf8 is not working. This solves that problem, mostly used if you have some sort of non-english language. .PARAMETER Text The text to convert .EXAMPLE $String = "Powerlänk AB" Convert-UTF8ToString($String) OUTPUT Powerlänk AB .NOTES General notes #> param( [STRING]$Text ) if ($Text -eq ""){ return $null } $bytes = [System.Text.Encoding]::GetEncoding('ISO-8859-1').GetBytes($text) return [System.Text.Encoding]::UTF8.GetString($bytes) } Function Get-ValidDate { <# .SYNOPSIS Get a valid date and do not throw an error if it cannot be converted. .DESCRIPTION Sometimes you retrieve wierd dates, this uses the powershell date conversion to convert the date to a valid datetime object and returns it. It does ignore the date if it is not parsable. .PARAMETER InputDate The date string you want to convert .EXAMPLE $Date = "2023-01-22" Get-ValidDate($Date) OUTPUT 2023-01-22T00:00:00 #> Param( [parameter(mandatory)] $InputDate ) try { return ([DATETIME]$InputDate).ToString("yyy-MM-ddTHH:mm:ss") } catch { return "" } } function Remove-SpecialCharacters { <# .SYNOPSIS Removes special characters .DESCRIPTION Removes all special characters, like . - #¤%"#¤&/, basically anything that is not a character or a number .PARAMETER InputString The input string .EXAMPLE $String = "asidfar----srtjrstjrstjt....j" Remove-SpecialCharacters($String) OUTPUT asidfarsrtjrstjrstjtj #> param( [parameter(mandatory)] $InputString ) return [regex]::Replace($InputString, "[^a-zA-Z0-9\s]", "") } |