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Basic syntax

• AND search: word1 and word2
  
• OR search: word1 or word2
• NEAR search: word1 near word2
  
• PHRASE search: "The Zope Book"
  
• AND NOT search: word1 and not word2 - all documents containing 'word1' but not
  'word2'
  
• You can use '?' or '*' or '%'

Combining queries (by example)

• word1 and (word2 or word3)
• word1 and (word2 word3) - a missing operator implies AND search
• word1 and "this is a phrase" search for the phrase AND word1
• (word1 or word2) and (word3 or word4)

Normalization

Normalization means the replacing parts of a string (or special characters) by a more general string. E.g. in German there is a common translation for accented characters:

• 'Ä' -> Ae
• 'ä' -> ae
• 'Ö' -> Oe
• 'ö' -> oe
• 'Ü' -> Ue
• 'ü' -> ue
• 'ß' -> ss