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Hi everyone,

 

Am trying to create a regular expression that finds the word before the parenthesis in user's query. This is what I mean:

 

type(object).

needthis(user'sQuery).

 

Or in a highly complex situation,

needthis(word1, word2) :- needalso(x, y), needalso(y,z).

 

Any ideas on how to do this? Help greatly appreciated. (For those of you curious, am trying to find the predicates in a prolog statement.)

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https://forums.phpfreaks.com/topic/221720-find-word-before-parenthesis/
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