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In Powershell given the following string
$string = "this is a sample of 'my' text $PSP.what do you think"
how do I use the -replace function to convert the string to
this is a sample of 'my' text Hello.what do you think
I obviously need to escape the string somehow, Also $PSP is not a declared variable in my script
I need to change all mentions of $PSP for some other string
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You don't need to assign a string to a variable to replace text in a string. Instead, you can invoke the replace() method directly on the string like: 'hello world'. replace('hello','hi') . The tutorial is using a variable for convenience.
Working with variables The default value of all variables is $null . To get a list of all the variables in your PowerShell session, type Get-Variable . The variable names are displayed without the preceding dollar ( $ ) sign that is used to reference variables.
Replacing characters or words in a string with PowerShell is easily done using either the replace method or -replace operator. When working with special characters, like [ ], \ or $ symbols, it's often easier to use the replace() method than the operator variant.
Use Get-Content and Set-Content to Replace Every Occurrence of a String in a File With PowerShell. The Get-Content gets the item's content in the specified path, such as the text in a file. The Set-Content is a string-processing cmdlet that allows you to write new content or replace the existing content in a file.
Use the backtick character (above the tab key):
$string = "this is a sample of 'my' text `$PSP.what do you think"
To replace the dollar sign using the -replace operator, escape it with backslash:
"this is a sample of 'my' text `$PSP.what do you think" -replace '\$PSP', 'hello'
Or use the string.replace method:
$string = "this is a sample of 'my' text `$PSP.what do you think"
$string.Replace('$PSP','Hello)'
this is a sample of 'my' text Hello.what do you think
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