g*****g
发帖数: 34805 | 1 For validation purpose.
Alphanumberic, no space, underscore allowed.
Thanks a lot. | X****r
发帖数: 3557 | 2 for one character:
[\w_]
for one or more characters:
[\w_]+ | t****t
发帖数: 6806 | 3 问题没看明白, 是no space/underscore allowed
还是no space, but underscore allowed
【在 X****r 的大作中提到】
: for one character:
: [\w_]
: for one or more characters:
: [\w_]+
| g*****g
发帖数: 34805 | 4 \w seems to include _, [\w]+ should be enough, thanks anyway.
【在 X****r 的大作中提到】
: for one character:
: [\w_]
: for one or more characters:
: [\w_]+
|
|
