I have been trying to extract certain values from multiple lines inside a .txt file with PowerShell.
Host
Class
INCLUDE vmware:/?filter=Displayname Equal "server01" OR Displayname Equal "server02" OR Displayname Equal "server03 test"
This is what I want :
server01
server02
server03 test
I have code so far :
$Regex = [Regex]::new("(?<=Equal)(.*)(?=OR")
$Match = $Regex.Match($String)
You may use
[regex]::matches($String, '(?<=Equal\s*")[^"]+')
See the regex demo.
See more ways to extract multiple matches here. However, you main problem is the regex pattern. The (?<=Equal\s*")[^"]+
pattern matches:
(?<=Equal\s*")
- a location preceded with Equal
and 0+ whitespaces and then a "
[^"]+
- consumes 1+ chars other than double quotation mark.Demo:
$String = "Host`nClass`nINCLUDE vmware:/?filter=Displayname Equal ""server01"" OR Displayname Equal ""server02"" OR Displayname Equal ""server03 test"""
[regex]::matches($String, '(?<=Equal\s*")[^"]+') | Foreach {$_.Value}
Output:
server01
server02
server03 test
Here is a full snippet reading the file in, getting all matches and saving to file:
$newfile = 'file.txt'
$file = 'newtext.txt'
$regex = '(?<=Equal\s*")[^"]+'
Get-Content $file |
Select-String $regex -AllMatches |
Select-Object -Expand Matches |
ForEach-Object { $_.Value } |
Set-Content $newfile
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