regex101: Find PHP object variables

Regular Expression

\$([\w]+)->([^\W]+)

New

    		@foreach($fsn_uploaded_data as $client_no => $client)
    			<div class="client" style="border: 1px solid #888; margin-bottom: 10px;">
    				<h2>{{ $client['client_name'] or '-' }}</h2>
    				<p>{{ $client->postal_address or '-' }}, {{ $client->zip_code_postcode or '-' }}, {{ $client->city or '-' }}, {{ $client->countr_code or '-' }}</p>
    			}

{{--    				@foreach($client->delivery_addresses as $delivery_no => $address)
    					<div class="delivery_addresses" style="border: 1px solid #ddd; margin: 5px;">
    						<h3>{{ $address->client_delivery_name or '-' }}</h3>
    						<p>{{ $address->delivery_address or '-' }}, {{ $address->zip_code or '-' }}</p>
    					</div>
    				@endforeach --}}
    			</div>
    		@endforeach

Substitution

$\1['\2']