MediaWiki:MARCimporter.js

$(document).ready(function(){
    $("#wpRunQuery").click(function(){
        // when query, substitute | by $ in the texarea
        $("span.inputSpan").find("textarea").each(function() {
            let input = $(this).val();
            let normalizedInput = input
            .replace(/\|/g, "$");
            $(this).val(normalizedInput);
        });
    });
});