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How about you index the dictionary file and then work you're way through the string character by character matching against the word. When the next letter results in no further branches in the index it takes that as a word, if the next word results in a dead end try the previous word again minus one character.
Example:
(excuse me for not actually checking against a dictionary for obsucure words)
w>h>e>r>e>r
r=dead end
"where" removed
a>n>g>e>l>s>a
a=dead end
"angels" removed
a>r>e>a>l
l = dead end
"area" removed
l>l>t>h
not making sense, backup
a>r>e>|
stop at "a"
"are" removed
a>l>l>t
t=dead end
"all" removed
ugh... hope you get the idea.

In reply to Re: Junk NOT words by Anonymous Monk
in thread Junk NOT words by Anonymous Monk

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