CommonElementsInStringSlice takes 2 Slices of Strings and returns a Third Slice that is the common elements between the first 2 Slices.

isValidUrl tests a string to determine if it is a well-structured url or not.

Map transfers the elements of its first argument using the result of the second fn(e).

OpenInBrowser opens the url in a web browser based on OS and $BROWSER environment variable.

PresentInIntSlice take a Hay (Slice of Ints) and a Needle (int) and returns true based on whether or not the Needle is present in the hay.

PresentInStringSlice take a Hay (Slice of Strings) and a Needle (string) and returns true based on whether or not the Needle is present in the hay.

Ptr takes any value and returns a pointer to that value.

ReplaceNonAlphaNumericChars: Replaces non alpha-numeric values with provided char/string.