dongwu9063 2013-05-03 15:00
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如何在PHP中使用正则表达式清除括号中的文本?

The question Remove Text Between Parentheses PHP works but only with "full" parentheses (opening and closing):

preg_replace('/\([^)]+\)/', '', $myString);

But I need it to work with unclosed parentheses too. For example:

$string1 = 'Something (unimportant stuff'; //Becomes 'Something '
$string2 = '(unimportant stuff'; //Becomes '' (empty string)
$string3 = 'Something (bad) happens'; //Becomes 'Something  happens'
$string4 = 'Something)'; //Stays the same

I don't really care if I must do it with two passes (using the original answer and a new one)...

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  • doutuan6158 2013-05-03 15:03
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    You could make the final closing parentheses optional:

    preg_replace('/\([^)]+\)?/', '', $myString);
                            ^
    
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