/**
* @return string
*/
public function getRegexpMain()
{
$re = '{
(?>
# Ignored chunks.
(?>
# Comment.
-- [^\\r\\n]*
)
|
(?>
# DB-specifics.
' . trim($this->adapter->getRegexpForIgnorePlaceholder()) . '
)
)
|
(?>
# Optional blocks
\\{
# Use "+" here, not "*"! Else nested blocks are not processed well.
( (?> (?>[^{}]+) | (?R) )* ) #1
\\}
)
|
(?>
# Placeholder
(\\?) ( [' . $this->placeholders->getAllPlaceholdersAsString() . ']? ) #2 #3
)
}sx';
return $re;
}
