PowerShell Script to Count Occurrences of Regular Expressions in a File

regex_count_example.ps1

# PowerShell Script to Count Occurrences of Regular Expressions in a File

# Specify the path to the file
$filePath = "C:\Users\redacted\test.txt"

# Define the list of regular expressions to search for
$regexPatterns = @("\bwinget\b", "\bmsstore\b", "\bUnknown\b")

# Check if the file exists
if (Test-Path $filePath) {
    # Loop through each regex pattern
    foreach ($pattern in $regexPatterns) {
        # Count occurrences of the regex pattern in the file
        $count = (Select-String -Path $filePath -Pattern $pattern -AllMatches).Matches.Count

        # Output the count
        Write-Output "The regex pattern '$pattern' occurs $count times in the file."
    }
} else {
    # Output a warning if the file does not exist
    Write-Output "The specified file does not exist: $filePath"
}

powershell -ep Bypass C:\Users\redacted\regex_count_example.ps1