proc(_extractValue, @stringToCheck, @key,

    msg(concat('String to check: ', @stringToCheck))

    @regx_header = "\\@"; # Regular expression header
    @regx_footer = "([\\w\\d\\s\\n.]+[^\\@])"; # Regular expression footer
    @regx_pattern = concat(@regx_header, @key, @regx_footer); # Create the regular expression using the supplied key

    msg(concat('Regex Pattern Used: ', @regx_pattern))

    @result = reg_match(@regx_pattern, @stringToCheck); # Check the string for results

    if (array_size(@result) > 1){ # Check to see if the result of the match is greater than 1 which means we found the pattern and the capture group

        msg(@result[1])

        return (@result[1]); # Return the capture group

    }

    msg('no results');
    msg(concat('Result Returned: ', @result))
    return (null); # No results found

)

register_command(createhero,

    array(

        description: 'Generates a Hero using parameters within a book',

        usage: '/createhero',

        permission: 'essentials.copybook',

        noPermMsg: 'Sorry you don\'t have permission to use this command.',

        executor: closure(@alias, @sender, @args) {

            @hero_name = null;

            @playerThatRanCmd = player(); # Create a player object

            @slotHighlighted = pheld_slot(@playerThatRanCmd)
            @itemInHand = pinv(@playerThatRanCmd, @slotHighlighted); # Grab the ID of the item in the players hand
            @itemMeta =  get_itemmeta(@slotHighlighted); # Grab the meta data

            @pages = @itemMeta['pages']; # Grab all the pages of the book

            @hero_name = _extractValue(@pages, "name:");
            msg(@hero_name);

        }
    )
)