Question

The (|/) tells the server to match ___________

(a) nothing

(b) forward slash

(c) backward slash

(d) either nothing or a forward slash

I had been asked this question during a job interview.

This question is from Updating and Deleting Entries in chapter Objects and Databases in PHP of PHP

Answer 1

Right option is (d) either nothing or a forward slash

The explanation: The vertical pipe character (|) is the regular expression equivalent of “or”.