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Regular expressions are widely used to match strings of text. For example, the POSIX {{grep}} utility supports regular expressions for finding patterns in the specified text. For introductory information on regular expressions, see the Java Tutorials \[[Tutorials 08|AA. Bibliography#Tutorials 08]\]. The {{java.util.regex}} package provides the {{Pattern}} class that encapsulates a compiled representation of a regular expression and the {{Matcher}} class that is an engine which interpretsthat and uses a {{Pattern}} to perform matching operations on a {{CharacterSequence}}. |
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Another method of mitigating this vulnerability is to filter out the sensitive information prior to matching. Such a solution would require the filtering to be done every time the log file is periodically refreshed, incurring extra complexity and a performance penalty. Sensitive information may still be still exposed if the log format changes but the class is not also refactored to accommodate these changes.
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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="3154ef9f57b3a272-037a0974-43cf45eb-807483c8-7213aab2401ec68c00aee4f6"><ac:plain-text-body><![CDATA[ | [[CVE 05 | AA. Bibliography#CVE]] | [CVE-2005-1949 | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-1949] | ]]></ac:plain-text-body></ac:structured-macro> |
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