In advanced search "search tags only," half-width and full-width characters (*) and uppercase and lowercase letters are distinguished.
Other search methods do not distinguish these.
Kanji, hiragana, katakana, and alphabetic characters are distinguished in all search methods.
| Basic Search | Advanced Search | |||
| All | All | Title Only | Search Tags Only | |
| Half-width/Full-width (*) | Not distinguished |
Distinguished |
||
| Uppercase/Lowercase | ||||
|
Kanji/Hiragana Katakana/Alphabetic |
Distinguished | |||
* Half-width dakuten and handakuten marks are counted as one character each, so they may not be properly reflected in search results.
Related:
Manual search methods and search targets (Web browser)
https://help.teachme.jp/hc/en-us/articles/4415248509209
When is “No Search Results” recorded in the search logs?
https://help.teachme.jp/hc/en-us/articles/900005508406
Can I perform AND searches with the manual search function?
https://help.teachme.jp/hc/en-us/articles/900006442563