want to replace a-z character with space.

i am making a calulator. i want when a user input any charater (a-z) it will replace with zero. it it's effect will show on result. and when user enter numeric value then it display with its results.

thank's

 

You can use this:

<input type='text' value='' onkeyup="this.value = this.value.replace(/[a-z]/ig, '')">

Code (markup):

You must also think about other inacceptable characters like '^', '&', etc.

 

some JavaScripts you need, can use one of these JavaScripts, or you can use all

- JavaScriptBank.com: Block Key Press
- JavaScriptBank.com: Validate Numeric Only
- JavaScriptBank.com: RegExp Validation
.......

I can not list all JavaScripts that you need, please go to my JavaScript library for thousands of free JavaScript

 

Thank's all guy's
krishna