A Aaron New member Sep 22, 2010 #1 Ok so I have a possibility of having someone enter a calculation like so: (x+5)/y or even just an even more simpler one such as 6+5 How would I use a regular expression check on these in PHP?
Ok so I have a possibility of having someone enter a calculation like so: (x+5)/y or even just an even more simpler one such as 6+5 How would I use a regular expression check on these in PHP?
