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Custom Textbox?

in Using jQuery • 12 years ago

Hi, I'm still rather new to jQuery, so I'm not 100% sure how to acomplish this.
I'm trying to make a custom text box (note: not an RTE) for syntax highlighting, but I can't quite find out how to do it, exactly.

I've looked over all the current jQuery plugins for syntax highlighting, and none of them really have the feature list I need, or they don't highlight the code dynamically (while your typing).

So, how exactly would I go about creating this text box?
I can (probably) figure out the syntax highlighting and line numbers myself, but making the actual box evades me entirely.

Only needs to support the same browsers jQuery supports.

Thanks for any help,
Alexander.

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tomwilde

Re: Custom Textbox?

12 years ago

Basically you make a <textarea> and add a onKeyUp handler to parse the contents ( $('textarea').val() ) using regular expressions.

for example if you want to make the BB-Code [b]something[/b] show bold text you would do something like..

var rgx = /\[b\](.*?)\[/b\]/si;
var text = 'foo [b] bar [/b]';
text.replace(rgx,'<strong>$1</strong>');

[ this code is not tested, no time ]

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