Useful characters

Purpose	Char	Name	Alt code
Invisible		No-Break Space	225 or 0160
Sort first	`!`	Exclamation Mark
Sort second	`+`	Plus Sign
Sort last	`Ξ`	Capital Xi

Greek letters

.	Name	Unicode	Alt code
`α`	Alpha	U+03B1	Alt 224
`Γ`	Gamma	U+0393	Alt 226
`δ`	Delta	U+03B4	Alt 235
`ε`	Epsilon	U+03B5	Alt 238
`Θ`	Theta	U+0398	Alt 233
`π`	Pi	U+03C0	Alt 227
`Σ`	Sigma upper	U+03A3	Alt 228
`σ`	Sigma lower	U+03C3	Alt 229
`τ`	Tau	U+03C4	Alt 231
`Φ`	Phi upper	U+03A6	Alt 232
`φ`	Phi lower	U+03C6	Alt 237
`Ω`	Omega	U+03A9	Alt 234

Sorting differences on different platforms

Windows	Android VS Code	PowerShell Command Prompt	Unix Bash
`␣`
`!`	`_`
`_`	`!`
`~`	`+`
`+`	`~`	`!`	`!`
`µ`	`␣`	`+`	`+`
`0`	`0`	`0`	`0`
`9`	`9`	`9`	`9`
`A`	`A`	`A`	`A`
`ä`	`ä`	`Z`	`Z`
`ß`	`ß`	`_`	`_`
`Z`	`Z`	`~`	`~`
`Ξ`	`µ`	`µ`	`µ`
`π`	`Ξ`	`ä`	`ß`
`Ω`	`π`	`ß`	`ä`
	`Ω`	`Ξ`	`Ξ`
		`π`	`Ω`
		`Ω`	`π`
		`␣`	`␣`

Special sorting characters

.	Name	Unicode	Alt code
`␣`	Open Box	U+2423
`µ`	Micro	U+00B5	Alt 230
`Ξ`	Xi (greek uppercase)	U+039E
`π`	Pi (greek lowercase)	U+03C0	Alt 227
`Ω`	Omega (greek uppercase)	U+03A9	Alt 234

Sources:

2022-01-25 Unicode Character Table

Related:

Tags:
Computer Language