Symbol 2019 from ISO 7000 - Title/Meaning: Discontinuous underline 
Function/description: To identify the control to underline the characters of a specified sequence of characters, excluding the intercharacter spacing.
Own work using: iso.org/obp/graphics/grs/568cf1e0-671c-49c0-8bcb-594e92bf7462 200.png
Vectorization:  Mrmw