Remove special characters and empty spaces [Moved from Java Forum]

Dev Shed Forums Sponsor:

November 6th, 2009, 08:13 PM

gibatul

Registered User

Join Date: Nov 2009

Posts: 1

Time spent in forums: 12 m 11 sec
Reputation Power: 0

Remove special characters and empty spaces

Hi i have a special java code for input strings like:

Code:

<script type="text/javascript">
String.prototype.toCapitalCase = function() {
var re = /\s/;
var words = this.split(re);
re = /(\S)(\S+)/;
for (i = words.length - 1; i >= 0; i--) {
re.exec(words[i]);
words[i] = RegExp.$1.toUpperCase()
+ RegExp.$2.toLowerCase();
}
return words.join(' ');
} 
</script>

And in HTML i have it like

Code:

<form name="formname">
<input type="text" name="name" onblur="javascript:this.value=this.value.toCapitalCase();">
</form>

I have a question how can i add there a check for special characters and spaces and immediatelly remove them? I had something like this:

Code:

function clearText() {
     document.formname.name.value=filterNum(document.formname.name.value)

     function filterNum(str) {
          re = /\$|,|@|#|~|`|\%|\*|\^|\&|\(|\)|\+|\=|\[|\-|\_|\]|\[|\}|\{|\;|\:|\'|\"|\<|\>|\?|\||\\|\!|\$|\./g;
          return str.replace(re, "");
     }
}

But i dont know how to make it work in <input> and this is also without spaces check ... Thx for help

November 6th, 2009, 09:19 PM

gimp

<?PHP user_title("gimp"); ?>

Join Date: Jan 2005

Location: Internet

Posts: 6,916

Folding Points: 1555 Folding Title: Novice Folder

Time spent in forums: 3 Months 15 h 7 m 27 sec
Reputation Power: 3719

Big sticky. JAVA ISN'T JAVASCRIPT. Read. Thanks.

__________________
Chat Server Project & Tutorial | WiFi-remote-control sailboat (planned) | Joke Thread
“Rational thinkers deplore the excesses of democracy; it abuses the individual and elevates the mob. The death of Socrates was its finest fruit.”

November 7th, 2009, 12:24 PM

s-p-n

Contributing User

Join Date: Apr 2009

Posts: 161

Time spent in forums: 2 Days 13 h 14 m 11 sec
Reputation Power: 154

Quote:

Originally Posted by gibatul

Hi i have a special java code for input strings like:

Code:

<script type="text/javascript">
String.prototype.toCapitalCase = function() {
var re = /\s/;
var words = this.split(re);
re = /(\S)(\S+)/;
for (i = words.length - 1; i >= 0; i--) {
re.exec(words[i]);
words[i] = RegExp.$1.toUpperCase()
+ RegExp.$2.toLowerCase();
}
return words.join(' ');
} 
</script>

And in HTML i have it like

Code:

<form name="formname">
<input type="text" name="name" onblur="javascript:this.value=this.value.toCapitalCase();">
</form>

I have a question how can i add there a check for special characters and spaces and immediatelly remove them? I had something like this:

Code:

function clearText() {
     document.formname.name.value=filterNum(document.formname.name.value)

     function filterNum(str) {
          re = /\$|,|@|#|~|`|\%|\*|\^|\&|\(|\)|\+|\=|\[|\-|\_|\]|\[|\}|\{|\;|\:|\'|\"|\<|\>|\?|\||\\|\!|\$|\./g;
          return str.replace(re, "");
     }
}

But i dont know how to make it work in <input> and this is also without spaces check ... Thx for help

You don't want to strip out every character that way. You want to only allow certain characters.

Apparently you only want CAPITAL LETTERS in your input field, and nothing more.

Code:

var re = /^([A-Z]+)$/;
str.replace(re,"");

Edit: Or with spaces allowed,

Code:

var re = /^([A-Z\s]+)$/;
str.replace(re,"");

__________________
- The Wise Guy

Last edited by s-p-n : November 7th, 2009 at 12:34 PM.

Viewing: Dev Shed Forums > Web Design > JavaScript Development > Remove special characters and empty spaces [Moved from Java Forum]

« Previous Thread | Next Thread »

Thread Tools	Search this Thread
Email this Page	Search this Thread: Advanced Search
Display Modes	Rate This Thread
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode	Rate This Thread:

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts vB code is On Smilies are On [IMG] code is On HTML code is Off

View Your Warnings | New Posts | Latest News | Latest Threads | Shoutbox

Forum Jump

Free IT White Papers!

How to Present Effectively Online
This white paper offers practical and actionable advice on the key steps that any presenter should consider as they plan and execute a Webinar or online meeting.

Open Source Security Myths
Open Source Software (OSS) is computer software whose source code is available to the general public with relaxed or non-existent intellectual property restrictions (or arrangement such as the public domain), and is usually developed with the input of many contributors.

Power and Cooling Capacity Management for Data Centers
This paper describes the principles for achieving power and cooling capacity management.

Scalable, Fault-Tolerant NAS for Oracle - The Next Generation
For several years NAS has been evolving as a storage alternative for Oracle databases, and for good reason: NAS is quite often the simplest, most cost-effective storage approach for Oracle. Learn about the benefits that HP's approach to scalable NAS brings to Oracle environments in this comprehensive white paper.

Understanding Web Application Security Challenges
This white paper discusses many common threats and preventive measures for Web application security, and explains what you can do to help protect your organization.

More Free IT White Papers!