Username: 
Password: 
Restrict session to IP 

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

Global Rank: 2542
Totalscore: 5262
Posts: 2
Thanks: 0
UpVotes: 0
Registered: 182d 14h
Last Seen: 7d 3h
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: 718282
Posts: 295
Thanks: 271
UpVotes: 231
Registered: 8y 81d











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).
Redknee, tunelko, silenttrack, qdxy, TheHiveMind, Z, Ge0, samuraiblanco, arraez, jcquinterov, hophuocthinh, alfamen2, burhanudinn123 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 772 times.