jQuery selector help - how to find element whose ID starts and ends with specific characters

I have a page that's created dynamically. It can have a number of different radio buttons with ID's like so: ``` <input type="radio" id="cc-radio-opt-0" /> <input type="radio" id="cc-radio-opt-1" /> <input type="radio" id="gc-radio-opt-0" /> <input type="radio" id="gc-radio-opt-1" /> ``` In order to write change functions, I'm doing something like this: ``` $('[id^=cc-radio-opt-]').live("change", function() { var idx = $(this).attr('id').split('-').pop(); }); ``` This works well. But now, inside that change function, I need to hide a bunch of other related fields. They are named like this: ``` <input type="text" id="cc-number-0" /> <input type="text" id="cc-month-0" /> <input type="text" id="gc-number-0" /> <input type="text" id="gc-month-0" /> <input type="text" id="cc-number-1" /> <input type="text" id="cc-month-1" /> <input type="text" id="gc-number-1" /> <input type="text" id="gc-month-1" /> ``` I need to be able to grab all the fields whose IDs begin with "cc" and end with the same number as the radio button that's been clicked (determined by the `idx` variable. I know I can get all the fields that start with "cc" by doing this: ``` $('[id^=cc-]'); ``` But how can I also indicate that they need to end with whatever `idx` is? In other words, if the `cc-radio-opt-1` radio is clicked, how can I get only `cc-number-1` and `cc-month-1`?