Improve search results in CrabDB

[dreamer-coding]

Is your feature request related to a problem? Please describe.
It will be helpful to improve the pattern matching mechanism and to improve sanitization of the search input value to ensure no future query injection occurs and to improve performance of a query for a desired result that's not contaminated.

Describe the solution you'd like
Along with enhancement to the pattern matching algorithm it would help to add a regex matching mechanism and some sanitization safe guards to ensure a proper search engine for CrabDB when invoking CrabSearch

Describe alternatives you've considered
N/A

Additional context
Some additional research and test cases would be needed to ensure that the quality of these do exactly what is practically written on paper.