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Added documentation on search modifiers and two character search limitations

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mishimi
2015-11-04 07:54:30 -08:00
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doc/help/Search.md
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@@ -5,11 +5,13 @@ The search box in Mattermost brings back results from any channel of which you
Some things to know about search:
- Multiple search terms are connected with “OR” by default. Typing in `Mattermost website` returns results containing “Mattermost” or “website”
- You can use quotes to return search results for exact terms, like `"Mattermost website"` will only return messages containing the entire phrase `"Mattermost website"` and not return messages with only `Mattermost` or `website`
- You can use quotes to return search results for exact terms. For example: Searching `"Mattermost website"` will only return messages containing the entire phrase `"Mattermost website"` and will not return messages with only `Mattermost` or `website`
- You can use the `*` character for wildcard searches that match within words. For example: Searching for `rea*` brings back messages containing `reach`, `reason` and other words starting with `rea`.
- You can use from: to find posts from specific users and in: to find posts in specific channels. For example: Searching `Mattermost in:town-square' will only return messages in Town Square that contain 'Mattermost'
#### Limitations
- Search in Mattermost uses the full text search features included in either a MySQL or Postgres database, which has some limitations
- Special cases that are not supported in default full text search, such as searching for IP addresses like `10.100.200.101`, can be added in future as the search feature evolves
- Searches with fewer than three characters will return no results, so for searching in Chinese try adding * to the end of queries
- Due to the volume of results, two letter searches and common words like "this", "a" and "is" won't appear in search results
- For searching in Chinese try adding * to the end of queries