Basically I want to replace certain words (e.g. the word "tree" with the word "pizza") in sentences. Restriction: When the word that should be replaced is between double quotes, the replace should not be performed.
Example:
The tree is green. -> REPLACE tree WITH pizza
"The" tree is "green". -> REPLACE tree WITH pizza
"The tree" is green. -> DONT REPLACE
"The tree is" green. -> DONT REPLACE
The ""tree is green. -> REPLACE tree WITH pizza
Is it possible to do this with regular expressions? I would count the number of double quotes before the word and check if it is odd or even. But is this possible using preg_replace in php?
Thanks!
//EDIT:
At the moment my code looks like the following:
preg_replace("/tree/", "pizza", $sentence)
But the problem here is to implement the logic with the double quotes. I tried things like:
preg_replace("/[^"]tree/", "pizza", $sentence)
But this does not work, because it checks only if a double quote is in front of the word. But there are examples above where this check fails. Import is that I want to solve that problem with regex only.