ignore_chars

ignore_chars

Ignored characters list. Optional, default is empty.

Useful in the cases when some characters, such as soft hyphenation mark (U+00AD), should be not just treated as separators but rather fully ignored. For example, if '-' is simply not in the charset_table, “abc-def” text will be indexed as “abc” and “def” keywords. On the contrary, if '-' is added to ignore_chars list, the same text will be indexed as a single “abcdef” keyword.

The syntax is the same as for charset_table, but it's only allowed to declare characters, and not allowed to map them. Also, the ignored characters must not be present in charset_table.

Example:

ignore_chars = U+AD
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