begin bool break char continue do else elseif end exit filter for foreach function if in int param process return string switch throw trap until where while $true $false -and -as -band -bnot -bor -ceq -contains -creplace -eq -ge -gt -ieq -ige -igt -ilike -ile -ilt -ine -inotlike -inotmatch -ireplace -is -isnot -like -lt -match -ne -not -notcontains -notlike -notmatch -or -replace