tsplit.py

def tsplit(string, delimiters):
    """Behaves str.split but supports multiple delimiters."""

    delimiters = tuple(delimiters)
    stack = [""] # stack to return

    for i in xrange(len(string)):
        if string[i] in delimiters:
            stack.append("")
        else:
            stack[-1] += string[i]

    return stack

z_example

>>> s = 'thing1,thing2/thing3-thing4'
>>> tsplit(s, (',', '/', '-'))
['thing1', 'thing2', 'thing3', 'thing4']