Upgrade is breaking page.Content.Text

When I upgrade from 17.0.1404 to 17.0.1438 (which has no release notes yet) this line breaks:

 If page.Content.Text.Find(New Regex("XXXXX")).Count > 0 Then

Downgrading to 1404 fixes it.
Thanks,
BC

Hi BC,

Please use this instead:

If page.Content.GetText().Find(New Regex("XXXXX")).Count > 0 Then

Regards,
Mario