During an investigation of an XSS attack, the investigator comes across the term "[a-zA-Z0-9\%]+" in analyzed evidence details. What is the expression used for?
A.
Checks for upper and lower-case alphanumeric string inside the tag, or its hex representation
B.
Checks for forward slash used in HTML closing tags, its hex or double-encoded hex equivalent
C.
Checks for opening angle bracket, its hex or double-encoded hex equivalent
D.
Checks for closing angle bracket, hex or double-encoded hex equivalent
[a-zA-Z0-9]+ is a pattern that matches against a string of any length, as long as the string contains only lowercase letters (a-z), uppercase letters (A-Z), or numerals (0-9).
[a-zA-Z0-9\%]+: It searches for upper and lower-case alphanumeric strings inside the tag, or their hex equivalent. Computer Hacking Forensics Investigator (CHFI) Version 10
EC-Council Pg.972
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