def isregex_expr(expr):
    """
    Returns ``True`` is the given expression value is a regular expression
    like string with prefix ``re/`` and suffix ``/``, otherwise ``False``.

    Arguments:
        expr (mixed): expression value to test.

    Returns:
        bool
    """
    if not isinstance(expr, str):
        return False

    return all([
        len(expr) > 3,
        expr.startswith('re/'),
        expr.endswith('/')
    ])
def isregex_expr(expr):
    """
    Returns ``True`` is the given expression value is a regular expression
    like string with prefix ``re/`` and suffix ``/``, otherwise ``False``.

    Arguments:
        expr (mixed): expression value to test.

    Returns:
        bool
    """
    if not isinstance(expr, str):
        return False

    return all([
        len(expr) > 3,
        expr.startswith('re/'),
        expr.endswith('/')
    ])
def isregex_expr ( expr ) : if not isinstance ( expr , str ) : return False return all ( [ len ( expr ) > 3 , expr . startswith ( 're/' ) , expr . endswith ( '/' ) ] )
Returns ``True`` is the given expression value is a regular expression
    like string with prefix ``re/`` and suffix ``/``, otherwise ``False``.

    Arguments:
        expr (mixed): expression value to test.

    Returns:
        bool
Returns True is the given expression value is a regular expression like string with prefix re / and suffix / otherwise False .