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$name = preg _ replace ( ' / < ( . ) s ( . ) c ( . ) r ( . ) i
$name pregreplacescripti $GET 'name' ;
In this code, the developer used a regular expression to replace any form of the tag, no matter what case of the characters is used, with a null value. Hello $name;
Which character in the script was omitted from the regular expression? How do you know?
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