Find a string pattern

In the head tag of this script are phrases that will attemp to find if a pattern is present from the input box below. For example, the phrase "X-FILES" is present in the head tag.
If you put a phrase below of "X-FILES, Smokey Man Gets Caught", or just "X-FILES", the result will return as true. If you put "Smokey Man Gets Caught", result will be false.
Phrase to be analyzed:
Result: