mysql - PHPmyadmin and Joomla with images field -

i reorganize images folder joomla web site. pictures in post put under "images , links" intro images , full article image try made find , replace images field. images field this: {"image_intro":"images/lavoceprima/1601/47369.jpg","float_intro":"","image_intro_alt":"","image_intro_caption":"", "image_fulltext":"images/lavoceprima/1601/47369.jpg","float_fulltext":"","image_fulltext_alt":"","image_fulltext_caption":""}

so in find , replace of phpmyadmin put find: images/lavoceprima/16 replace with: images/lavoceprima/2016/16 column: images

i try below / strange me find: images/lavoceprima/16 replace with: images/lavoceprima/2016/16 column: images

nothing find. made lot of other change in introtext field without problem here nothing happens help?

btw have more of 10.000 post on web made manually not solution :) joomla 3.4.8 , phpmyadmin 4.3.8

it not clear post doing, should - in sql-tab in phpmyadmin, do:

update #__content set images= replace(images, 'images/lavoceprima/16', 'images/lavoceprima/2016/16'); 

...where replace #_ table prefix