// add class row to sp-column when children has any part of class with span in the classname 
jQuery(document).ready(function ($) {
    $('.sp-column').each(function () {
        // get the children class names with span in the classname 
        var childrenClasses = $(this).children().map(function () { return this.className; }).get().join(' ');
        // if children has any part of class with span in the classname 
        if (childrenClasses.indexOf('span') > -1) { $(this).addClass('row'); }
        // change parte of classname with span to col-md- 
        $(this).children().each(function () {
            var className = $(this).attr('class');
            className = className.replace(/span/g, 'col-md-');
            $(this).attr('class', className);
        });
    });
});