This is a useful tool created with the help of GPT to get some good preview capabilities searching through files and folders.

preview-fzf.zsh

## preview fzf
## prerequisites:
##  - brew install fzf
##  - (brew --prefix)/opt/fzf/install

pf () {
    local dir=${1:-"."}  # defaults to current directory if no argument is provided

    local instructions="=== FILE SELECTION TOOL ===
Multi-select: Press TAB
Select all / Deselect all: Press CTRL+A
Exact match: Prefix with '
Fuzzy search by extension use '$', e.g. '.py$'
Copy output: 'pf | pbcopy'
Abort: CTRL+C or ESC
Finish: Enter"

    local cmd="fzf --height 80% --header \"$instructions\" --multi --bind='ctrl-a:toggle-all' --preview '([[ -f {} ]] && (bat --style=numbers --color=always {} || cat {})) || (exa -T {} || tree -C {})'"
    local files
    IFS=$'\n' files=($(eval "find $dir -type f -o -type d | $cmd"))
    for file in "${files[@]}"
    do
        if [[ -n "$file" ]]
        then
            echo "$file"
        fi
    done
}