Possible to index special characters?

[ProblemFactory]

Which SIST2 component is your Feature Request related to?

Index

Is your feature request related to a problem? Please describe.

I have a bunch of files has # to label tags in them. It will be very helpful if sist can index those files with the # labels so that I can easily search through them.

What would you like to see happen?

I can search through file contents with # symbol.

Additional context