powershell regex matches.md

powershell regex matches.md

THE CASE OF WORK WITH REGEX MATCHES

the case

the puzzle is, how to assign a match in regex search to a new variable: to test-path it and eventually create a folder, if the test fails.

solution

Use the -match with your regex and find the matches in the build-in $matches hash table!

sources

• PowerShell - Regex put match result into a variable

terminology

• $matches

changelog

2019-08-09 12:09:53 built-in feature!  

• PowerShell stores matches from the -match operator in the $matches[] hash table.
• Example:

 # 2.3.4 | TEST the path and create the new folder if the year changes
    If ($filePrefix.Node.InnerText -match $regexFilePath) {
        $filePath = $matches[0]
        If (-Not (test-path $filePath)) {
            New-Item -ItemType Directory -Path $filePath 
        }
    }