
{{alias}}( [mode] )
    Returns a regular expression to match a hexadecimal color.

    Parameters
    ----------
    mode: string (optional)
        Color format (`full`, `shorthand`, or `either`).

    Returns
    -------
    re: RegExp
        Regular expression.

    Examples
    --------
    > var RE = {{alias}}();
    > var bool = RE.test( 'ffffff' )
    true
    > bool = RE.test( '000' )
    false
    > bool = RE.test( 'beep' )
    false


{{alias}}.REGEXP
    Regular expression to match a full hexadecimal color.

    Examples
    --------
    > var bool = {{alias}}.REGEXP.test( 'ffffff' )
    true
    > bool = {{alias}}.REGEXP.test( '000' )
    false
    > bool = {{alias}}.REGEXP.test( 'beep' )
    false


{{alias}}.REGEXP_SHORTHAND
    Regular expression to match a shorthand hexadecimal color.

    Examples
    --------
    > var bool = {{alias}}.REGEXP_SHORTHAND.test( 'ffffff' )
    false
    > bool = {{alias}}.REGEXP_SHORTHAND.test( '000' )
    true
    > bool = {{alias}}.REGEXP_SHORTHAND.test( 'beep' )
    false


{{alias}}.REGEXP_EITHER
    Regular expression to match either a shorthand or full length hexadecimal
    color.

    Examples
    --------
    > var bool = {{alias}}.REGEXP_EITHER.test( 'ffffff' )
    true
    > bool = {{alias}}.REGEXP_EITHER.test( '000' )
    true
    > bool = {{alias}}.REGEXP_EITHER.test( 'beep' )
    false

    See Also
    --------

