The following special operators and modifiers can be used when using the advanced matching mode (CASE-SENSITIVE):
operator OR:
hello | world
operator MAYBE:
hello MAYBE world
operator NOT:
hello -world hello !world
phrase search operator (search extract phrase):
"hello world"
strict order operator (aka operator "before"):
aaa << bbb << ccc
field-start and field-end modifier :
^hello world$
NEAR, generalized proximity operator (NEAR/N, it is case-sensitive, and no spaces are allowed between the NEAR keyword):
hello NEAR/3 world NEAR/4 "my test"
