function createRegExp() {
	/*
	* Regular expression to match a relative require/import literal.
	*
	* ## Examples
	*
	* -   `'..'`
	* -   `'../'`
	* -   `'.'`
	* -   `'./'`
	* -   `'/'`
	* -   `'C:\'`
	* -   `'c:/'`
	*
	* Regular expression: `/^(?:\.\.?(?:[\\\/]|$)|\/|(?:[A-Za-z]:)?[\\\/])/`
	*
	* -   `^`
	*     -   match anything which begins with
	*
	* -   `(?:`
	*     -   begin capture but do not remember (1)
	*
	* -   `\.\.?`
	*     -   match a `.` literal possibly followed by another `.` literal
	*
	* -   `(?:[\\\/]|$)`
	*     -   capture but do not remember a `\\` or `/` literal OR end of string (2)
	*
	* -   `|`
	*     -   OR
	*
	* -   `\/`
	*     -   match a `/` literal
	*
	* -   `|`
	*     -   OR
	*
	* -   `(?:`
	*     -   begin capture but do not remember (3)
	*
	* -   `[A-Za-z]:`
	*     -   a drive letter followed by a `:` literal
	*
	* -   `)`
	*     -   end of capture (3)
	*
	* -   `?`
	*     -   match 0 or 1 time
	*
	* -   `[\\/\]`
	*     -   match a `\\` or `/` literal
	*
	* -   `)`
	*     -   end of capture (1)
	*/
	return /^(?:\.\.?(?:[\\/]|$)|\/|(?:[A-Za-z]:)?[\\/])/;
}
Returns a regular expression to match a relative require/import literal.

@private
@returns {RegExp} regular expression