What does this event log indicate?

Jane, a security analyst, while analyzing IDS logs, detected an event matching Regex /((%3C)|<)((%69)|i|(% 49))((%6D)|m|(%4D))((%67)|g|(%47))[^n]+((%3E)|>)/|.

What does this event log indicate?
A . Directory Traversal Attack
B . Parameter Tampering Attack
C . XSS Attack
D . SQL Injection Attack

Answer: C

Explanation:

Reference: https://books.google.com.pk/books?id=PDR4nOAP8qUC&pg=PA87&lpg=PA87&dq=regex+/((%5C%253C)%7C<)((%5C%2569)%7Ci%7C(%5C%2549))((%5C%256D)%7Cm%7C(%5C%25 4D))((%5C% 2567)%7Cg%7C(%5C%2547))%5B%5E%5Cn%5D%2B((%5C%253E)%7C>)/%

7C&source=bl&ots=kOBHNfJmtq&sig=ACfU3U2CG_hELc1HMb1chdc9OS4ooXPlMg&hl=e

n&sa=X&ved=2ahUKEwjYwJmlt_buAhUFShUIHTBNAs8Q6AEwBXoECAUQAw#v=onepage&q&f=false