HI Peter,
As per the suggestion from you, below regular expression will open all pdf files in new tab irrespective of dam path, this fine.
<LocationMatch "\.(?i:pdf)$">
ForceType application/pdf
Header set Content-Disposition inline
</LocationMatch>
But, if want to down load specific dam path pdf file then what is the regular expression.
example: open all pdf's in new tab for this site specific dam path if we have more sites content in dam.
ex: /dam/abcproject/allbooks/(1-100 pdf files)
<LocationMatch "\.(?i:pdf)$">
Kindly do the needful, Thank you.