| U+ | art-254 |
| 0332 | |
| Unicode Character Names | art-315 | COMBINING LOW LINE |
| Unicode Character Names | art-315 | NON-SPACING UNDERSCORE |
| American English | eng-004 | COMBINING UNDERSCORE |
| français | fra-000 | DIACRITIQUE TRAIT SOUSCRIT |
| français | fra-000 | SOULIGNÉ |
| français | fra-000 | TIRET BAS |