ereg_replace help

Can anyone please tell me if the following code is what I need to take a + sign out of the beginning of a word (i.e. +test)?

PHP Code:

$ourlastquery=ereg_replace('[+]','',$ourlastquery); 

The + sign only shows up as the first character of the word (so far). I know this will replace them all but I only want to first one replaced.

[Boofo]

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