[SOLVED] Extract text from a dropdown field? Hmm...

[simbo1231]

Hi everyone,

I'm not sure if what I want to do is possible, but I hope it is! Would anybody be able to help me?

I have a dropdown menu with a number of options.

For the text that is displayed for each option, it looks something like:

[123456] Some text - Some more text

What I would like to do, is extract just the text between '[' and ']'. I will then display this on the page. I know how to do this, but just need the correct text to display.

I hope someone could help, becuase I've searched all over the internet and have found nothing!

Many thanks

[Rakuli]

If it will always be numbers you could use a simple regex...

alert(whereveryougetthetextfrom.match(/\[[0-9]*\]/));

[simbo1231]

It won't always be numbers but thanks anyway for your help.

Is 'alert' to display a box that pops up? I thought it was (I don't know much about javascript though).

When I said I wanted to display it somewhere else on the page, I meant that I would place a <span> and then change the contents of that using some code I found, involving 'innerhtml'.

Many thanks

[Rakuli]

Okay, so I was only using an alert to show how you would get the details...

If it will be in square brackets and only letters and numbers.

you could use.

Code: Select all

var theText = whereveryougetthetextfrom.match(/\[([0-9A-Z]*)\][\s]{1}/i)[0];

theSpan.innerHTML = theText;

[simbo1231]

Aaaah okay, sorry.

Right I tried that but it didn't work, so I had a little fiddle around with the code and got it to work.

What I ended up with was:

Code: Select all

var theText = document.getElementById('dropdown').options[document.getElementById('dropdown').selectedIndex].innerHTML.match(/\[([-0-9A-Z]*)\][\s]{1}/i)[0];
document.getElementById('span').innerHTML = theText;

Thanks for your help, I wouldn't have been able to do it without it.

Simon