How to alter this REGEX pattern to match whole words rather than parts?

So in this example, the word man is found in amongst HTML markup.
(MAN)(?=[^>]*<)
It is matched ok but it also matches for occurrences in the HTML of MANAGEMENT or GERMANY etc.  It isn't as easy as saying I want to see a space on each side either since punctuation and non alpha numeric characters would be acceptable.
How can I enhance the pattern so that alpha numeric characters preceding or following prevent matching?
Thanks!
dgloverukAsked:
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Duy PhamFreelance IT ConsultantCommented:
Try this pattern:  ([^a-z\b0-9]?)(MAN)([^a-z\b0-9]?).
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dgloverukAuthor Commented:
I tried it with man but sadly it did not work.

([^a-z\b0-9]?)(man)([^a-z\b0-9]?)
but unfortunately this matched man in 'germany' and other words.
My code adds ( ) and (?=[^>]*<) to your expression to filter HTML to become
(([^a-z\b0-9]?)(man)([^a-z\b0-9]?))(?=[^>]*<)
Would this have broken it?
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Duy PhamFreelance IT ConsultantCommented:
Sorry I forgot about the case sensitive when copy paste here. This is the best pattern that I can think of (and already checked):  (([^a-zA-Z]+)|(\b))(MAN)(([^>a-zA-Z])|(\b))

Hope it could help.
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ozoCommented:
\b(MAN)\b(?=[^>]*<)
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dgloverukAuthor Commented:
Thanks Ozo that worked fine!
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Regular Expressions

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