Parse HTML TR to PowerShell PSCustomObject

TrToObject.ps1

	# TODO: Should also capture Cycle notes, e.g.
#       <td height="26">5 (+1 if page crossed)</td>

$uri = 'https://www.nesdev.org/obelisk-6502-guide/reference.html'
$content = (Invoke-WebRequest -Uri $uri).Content

$regex = '(?s)'
#  <tr>
$regex += '<tr>.*?'
#    <td width="30%" height="24"><a href="addressing.html#IMP">Implied</a></td>
$regex += '<td.*?><a href="addressing.html#.+?">(?<AddressingMode>.*?)</a>.*?</td>.*?'
#    <td width="15%" height="24">
$regex += '<td.*?>.*?'
#      <p><center>$98</center></td>
$regex += '<p.*?>.*?(<center>)?\$(?<Opcode>[0-9a-fA-F]{2})(</center>)?.*?</td>.*?'
#    <td width="15%" height="24">
$regex += '<td.*?>.*?'
#      <p><center>1</center></td>
$regex += '<p.*?>.*?(<center>)?(?<Bytes>\d+)(</center>)?.*?</td>.*?'
#    <td><center>4 (+1 if page crossed)</center></td>
$regex += '<td.*?>.*?(<center>)?(?<Cycles>\d+)(</center>)?.*?</td>.*?'
#  </tr>
$regex += '</tr>'

$opcodes = ($content | Select-String $regex -AllMatches).Matches | ForEach-Object {
    [PSCustomObject]@{
       AddressingMode = $_.Groups['AddressingMode'].Value -replace '\(','' -replace '\)','' -replace ',','' -replace ' ','' -replace "`r`n",''
       Opcode = $_.Groups['Opcode'].Value
       Bytes = $_.Groups['Bytes'].Value
       Cycles = $_.Groups['Cycles'].Value
    }
} | Sort-Object Opcode 

'//  Opcode, AddressingMode,              Bytes, Cycles'
$opcodes | ForEach-Object {
   '  {{ 0x{0},   AddressingMode::{1,-11}, {2,5}, {3,6} }},' -f $_.Opcode, $_.AddressingMode, $_.Bytes, $_.Cycles
}