How to fix Preg_match () warning?

Question

I am using preg_match function to my program like this

(preg_match('/^(f|ht)tps?\://', $this->sourceFilename))

But it shows a warning like this

Warning: preg_match() [function.preg-match]: Unknown modifier '/'

How can it modify? Please help me!!!

score 0 · Answer 1 · answered Jan 23 '14 at 13:20

0

The last slash should be escaped

answered Jan 23 '14 at 13:20

krampstudio

score 0 · Answer 2 · answered Jan 23 '14 at 13:21

0

You need to escape the / inside the regexp:

preg_match('/^(f|ht)tps?:\//', $this->sourceFilename)

or use a different delimiter:

preg_match('#^(f|ht)tps?:/#', $this->sourceFilename)

BTW, you don't need to escape :.

answered Jan 23 '14 at 13:21

Barmar

now it is working fine. thank you – user3149210 Jan 25 '14 at 08:14
now it is working fine. thank you very much – user3149210 Jan 25 '14 at 08:15
If this solved the problem you should accept the answer by clicking the green check mark. You should also go to your previous questions (which seem to be very similar) and accept their answers. – Barmar Jan 25 '14 at 13:25

2 Answers2