function wc_varb_price_range( $wcv_price, $product ) {

$prefix = sprintf('%s: ', __('From', 'wcvp_range'));

$wcv_reg_min_price = $product->get_variation_regular_price( 'min', true );

$wcv_min_sale_price    = $product->get_variation_sale_price( 'min', true );

$wcv_max_price = $product->get_variation_price( 'max', true );

$wcv_min_price = $product->get_variation_price( 'min', true );

$wcv_price = ( $wcv_min_sale_price == $wcv_reg_min_price ) ?

wc_price( $wcv_reg_min_price ) :

'<del>' . wc_price( $wcv_reg_min_price ) . '</del>' . '<ins>' . wc_price( $wcv_min_sale_price ) . '</ins>';

return ( $wcv_min_price == $wcv_max_price ) ?

$wcv_price :

sprintf('%s%s', $prefix, $wcv_price);

}

add_filter( 'woocommerce_variable_sale_price_html', 'wc_varb_price_range', 10, 2 );

add_filter( 'woocommerce_variable_price_html', 'wc_varb_price_range', 10, 2 );