Regexes for finding and cleaning up ancient/bad/deprecated HTML for manual archaeology

Ancient HTML cleaning regexes

# Exclude from find-all
-tmp/*, -.sass-cache/*, -*.min.*, -*-min.*

# Deprecated attributes
\s*(width|height|border|cellpadding|cellspacing|bordercolor|bgcolor|color|valign|align|hspace|vspace)="[^"]*"

# If there's no quotes, you can also hit their values
\s*(width|height|hspace|vspace)=\d*\%?
\s*(bordercolor|bgcolor|color)=#?\d{3,6}

# Deprecated tags
</?(font|center)[^>]*>

# Class names
(?:class=")[\w\- ]+(?:")