(zettel (meta (back "00001006032000 00001006033000 00001007700000 00001007701000 00001007702000") (backward "00001006032000 00001006033000 00001007700000 00001007701000 00001007702000 00001007706000") (box-number "1") (created "20220805150154") (forward "00001006030000 00001007706000") (modified "20230612180539") (published "20230612180539") (role "manual") (syntax "zmk") (tags "#manual #search #zettelstore") (title "Search operator")) (rights 4) (encoding "") (content "A search operator specifies how the comparison of a search value and a zettel should be executed.\nEvery comparison is done case-insensitive, treating all uppercase letters the same as lowercase letters.\n\nThe following are allowed search operator characters:\n* The exclamation mark character (\"\"''!''\"\", U+0021) negates the meaning.\n* The equal sign character (\"\"''=''\"\", U+003D) compares on equal content (\"\"equals operator\"\").\n* The tilde character (\"\"''~''\"\", U+007E) compares on matching (\"\"match operator\"\").\n* The left square bracket character (\"\"''[''\"\", U+005B) matches if there is some prefix (\"\"prefix operator\"\").\n* The right square bracket character (\"\"'']''\"\", U+005D) compares a suffix relationship (\"\"suffix operator\"\").\n* The colon character (\"\"'':''\"\", U+003A) compares depending on the on the actual [[key type|00001006030000]] (\"\"has operator\"\").\n  In most cases, it acts as a equals operator, but for some type it acts as the match operator.\n* The less-than sign character (\"\"''<''\"\", U+003C) matches if the search value is somehow less then the metadata value (\"\"less operator\"\").\n* The greater-than sign character (\"\"''>''\"\", U+003E) matches if the search value is somehow greater then the metadata value (\"\"greater operator\"\").\n* The question mark (\"\"''?''\"\", U+003F) checks for an existing metadata key (\"\"exist operator\"\").\n  In this case no [[search value|00001007706000]] must be given.\n\nSince the exclamation mark character can be combined with the other, there are 18 possible combinations:\n# \"\"''!''\"\": is an abbreviation of the \"\"''!~''\"\" operator.\n# \"\"''~''\"\": is successful if the search value matched the value to be compared.\n# \"\"''!~''\"\": is successful if the search value does not match the value to be compared.\n# \"\"''=''\"\": is successful if the search value is equal to one word of the value to be compared.\n# \"\"''!=''\"\": is successful if the search value is not equal to any word of the value to be compared.\n# \"\"''[''\"\": is successful if the search value is a prefix of the value to be compared.\n# \"\"''![''\"\": is successful if the search value is not a prefix of the value to be compared.\n# \"\"'']''\"\": is successful if the search value is a suffix of the value to be compared.\n# \"\"''!]''\"\": is successful if the search value is not a suffix of the value to be compared.\n# \"\"'':''\"\": is successful if the search value is has/match one word of the value to be compared.\n# \"\"''!:''\"\": is successful if the search value is not match/has to any word of the value to be compared.\n# \"\"''<''\"\": is successful if the search value is less than the value to be compared.\n# \"\"''!<''\"\": is successful if the search value is not less than, e.g. greater or equal than the value to be compared.\n# \"\"''>''\"\": is successful if the search value is greater than the value to be compared.\n# \"\"''!>''\"\": is successful if the search value is not greater than, e.g. less or equal than the value to be compared.\n# \"\"''?''\"\": is successful if the metadata contains the given key.\n# \"\"''!?''\"\": is successful if the metadata does not contain the given key.\n# \"\"''''\"\": a missing search operator can only occur for a full-text search.\n  It is equal to the \"\"''~''\"\" operator."))