I can not find an algorithm to find out from user input of a word whether it is an isogram or not. How can I break a word and check letters for being an isograms or not?

Update: Can't seem to find a hash function to narrow it down.

20060919 Janitored by Corion: Restored original node text

2006-09-20 Retitled by planetscape, as per Monastery guidelines

( keep:0 edit:15 reap:0 )

Original title: 'testing number of occurances in a word'

In reply to testing number of occurrences in a word by jsmith

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