Username: 
Password: 
Restrict session to IP 

Why I can match the wechall3?  Go to the Training: Regex challenge

Global Rank: 6322
Totalscore: 265
Posts: 2
Thanks: 0
UpVotes: 0
Registered: 69d 21h
Last Seen: 19d 17h
The User is Offline
Why I can match the wechall3?
Google/translate0Thank You!0Good Post!0Bad Post! link
This is my re:
/^wechall4?\.tiff|gif|jpg|png|bmp$/

Why I can match the wechall3.png.
I think that I only match the wechall or wechall4?
Where is wrong?

Thanks a lot....
Global Rank: 1
Totalscore: 718725
Posts: 271
Thanks: 244
UpVotes: 204
Registered: 7y 334d











The User is Offline
RE: Why I can match the wechall3?
Google/translate0Thank You!0Good Post!0Bad Post! link
Think about where the alternatives in your expressions begin and end (and how the matching algorithm would know this).
tunelko, silenttrack, strongard63, qdxy, TheHiveMind, Z, Ge0, Big_Thunder, samuraiblanco, n4pst3r, arraez, jcquinterov, hophuocthinh, alfamen2 have subscribed to this thread and receive emails on new posts.
1 people are watching the thread at the moment.
This thread has been viewed 414 times.