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OR or vertical bar symbol (|)
Finds a match if either the terms exist in a document (a union using sets).
Finds a match if both terms exist in a document (an intersection of sets).
NOT, minus (-), or exclamation point (!)
Excludes documents that contain the term after NOT (a difference of sets).
The asterisk symbol performs a multi character wildcard search.
Percent sign (%)
The percent sign performs a single character wildcard search.
Quotation marks (")
Use quotation marks to search for an exact phrase with multiple terms.