in

Get repeater field values inside a group field in ACF WordPress

<?php
while ( have_rows( 'group_field_name' ) ) : the_row();
	while ( have_rows( 'repeater_field_name' ) ) : the_row();
	
		if (get_sub_field( 'repeater_subfield_1_name')):
			the_sub_field( 'repeater_subfield_1_name' );
		endif 
		
		if (get_sub_field( 'repeater_subfield_2_name')): 
			the_sub_field( 'repeater_subfield_2_name' ); 
		endif 
		
		if (get_sub_field( 'repeater_subfield_3_name')): 
			the_sub_field( 'repeater_subfield_3_name' ); 
		endif 
		
	endwhile;
endwhile;
?>