regex and wildcards in user name

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https://forum.snitz.com/forumTopic/Posts/68769?pagenum=1
05 November 2025, 11:10

Topic

Etymon
regex and wildcards in user name
13 July 2009, 06:37


You know how wildcards are not allowed in the username such below?
* You may not use any of these chars in your username !#$%^&*()=+{}[]|\;:/?>,<'

Is there a regex expression that will do the same thing? The regex expressions I find still allow certain wildcards like #%+

 

Replies ...

HuwR
13 July 2009, 06:47


what exactly did you want the regex to do ?
Etymon
13 July 2009, 10:59


I'm trying to pre-filter member names using auto-complete with jQuery.
Etymon
15 July 2009, 00:15


Well, I am having a little bit of trouble still finding the regex I would like to use.
I did find something that prevents characters from being entered which is actually better, but, alas, I don't know how it is done.
Would someone mind taking a look at the first text box on this page (http://www.ajaxcontroltoolkit.com/FilteredTextBox/FilteredTextBox.aspx) where it says Only digits are allowed here:? Try typing in anything other than a number, and you will see what I am talking about. The character is rejected and cleared before it is accepted. I'd like to do that with this combination:

alphanumeric space underscore

Etymon
15 July 2009, 02:44


I found this: http://javascript.internet.com/forms/val-num-or-char.html
Though it's not as clean as the one I was asking about, it will work for now. smile
Etymon
15 July 2009, 02:46


Well, that is interesting.
The link above is supposed to look something like this (the area in red should have been included in the link above):

http://javascript.internet.com/forms/val-num-or-char.html
Etymon
15 July 2009, 02:49


OK, this works when posted directly:

http://javascript.internet.com/forms/val-num-or-char.html

And this does not work when posted using the [ url ] [ /url ] tags:

http://javascript.internet.com/forms/val-num-or-char.html
Rui? HuwR? Guys?
Carefree
15 July 2009, 10:15


Originally posted by Etymon
OK, this works when posted directly:

http://javascript.internet.com/forms/val-num-or-char.html

And this does not work when posted using the [ url ] [ /url ] tags:

http://javascript.internet.com/forms/val-num-or-char.html
Rui? HuwR? Guys?

Go look at the bugs forum. I posted a fix to that last year.
HuwR
15 July 2009, 10:18


some of the characters you are trying to reject won't work in a regex smile as they are special control characters used by regex itself, which may be why you are having a problem.
the word javascript is being filtered out of the url by the forum code (this was deliberate) smile
Etymon
15 July 2009, 12:23


Ah! Yes, the regex is interesting. I found a javascript to help out with that.
The link thing. I shoulda' looked before I leaked on that. Thanks Huw! Thanks Carefree!
SiSL
15 July 2009, 12:40


Remember, Javascript \s or \S might filter out non-English characters as well.
Etymon
15 July 2009, 13:15


I saw that. I think it works for allowing a space. Well, the lowercase representation \s

Thank you SiSL! smile
SiSL
15 July 2009, 14:00


Originally posted by Etymon
I saw that. I think it works for allowing a space. Well, the lowercase representation \s

Thank you SiSL! smile

No problem, since I'm having a non-English forum with additional letters like dotless i or cedilla, I had problems about that and wanted to share experience...
Shaggy
16 July 2009, 04:42


If you're just starting out with regular expressions, this is a fantastic site for learning and this is a great piece of software for testing.
Etymon
16 July 2009, 19:35


Hey! Thank you Shaggy! smile
Shaggy
17 July 2009, 04:50


You're welcome, dude smile
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