LEFT TRIANGLE BESIDE VERTICAL BAR U+29CF

BlockMiscellaneous Mathematical Symbols-B
CategoryMath Symbol
UTF-80xE2 0xA7 0x8F
UTF-160xFF 0xFE 0xCF 0x29
UTF-320xFF 0xFE 0x0 0x0 0xCF 0x29 0x0 0x0
HTML⧏
Pythonu"\u29CF"