Wildcards:

? - single character

 $[#} specified number of characters

* - Any number of characters.

Boolean:

AND   Both terms must occur

OR      Either term must occur

NOT   The first term must occur, the second term must not.

XOR   One term, but not both

Proximity:

ADJ    Next to each other, and in order.

ADJ[n]            Must occur within [n] terms of each other, in order, and within the same sentence.

NEAR Similar to ADJ but order is not relevant.

NEAR[n]        Similar to ADJ[n], but order is not relevant.

WITH Same sentence.

WITH[n]        Within n sentences of each other.

SAMESAME paragraph.

SAME[n]        Within n paragraphs of each other.