Regex.md

Regex for positional sibling conversion

replace:

<pb n="(\d*)-(\d*)a" facs="page(.*)"/>

with:

<div type="sheet"><div type="block"><ab type="page" subtype="verso" n="$2"><pb facs="page$3"/>

replace:

<pb n="(\d*)-(\d*)b" facs="page(.*)"/>

with:

</ab><fw type="heart"/><ab type="page" subtype="recto" n="$2">pb facs="page$3"/>

replace:

</ab><ab type="fasc" (.*)/></ab></div></div>

with:

</ab></div></div></ab><ab type="fasc" $1>