Find duplicate css classes in a file

gistfile1.ps1

# One liner!
# Finds all duplicate CSS classes in a CSS file, and ignores hex colour codes (the #DDDDDD pattern would be a false positve)
Get-Content .\filename.css | ForEach-Object { $_.Split(" ,.", [System.StringSplitOptions]::RemoveEmptyEntries) } | ForEach-Object { $_.Trim() } | where { ($_[0] -eq "#" -or $_[0] -eq "." ) -and (!$_.EndsWith(";")) } | where {$_ -notmatch '#[0-9a-fA-F]{2,}$'} | sort-object | group-object | where-object { $_.Count -gt 1 }