[jQuery] Help with replace the string.

[Kixe]

I would like to replace the follow code symbol "(" and ")" to "[" and
"]"
How can I do that ?

before:
        <select id="abc" name="abc">
                <option value="1">A (1st)</option>
                <option value="2">B (2nd)</option>
        </select>

final result:

        <select id="abc" name="abc">
                <option value="1">A [1st]</option>
                <option value="2">B [2nd]</option>
        </select>


Anyone can help me ? thanks!