uploadfilez.net
http://keep4u.ru/imgs/s/080322/9a/9a9b85c337cedce111.jpg
http://keep4u.ru/full/080322/9a9b85c337cedce111/jpg
true
true
imageLink
Contains
uploadfilez.net
previewLink
Contains
php/t
str1=php/t
Assignment(val)
str1
php/t
str2=php/i
Assignment(val)
str2
php/i
imageLink=Replace(previewLink, str1, str2)
Replace
imageLink
previewLink
str1
str2