src/vs/base/common/fuzzyScorer.ts/scoreSeparatorAtPos
function scoreSeparatorAtPos(charCode: number): number {
	switch (charCode) {
		case CharCode.Slash:
		case CharCode.Backslash:
			return 5; // prefer path separators...
		case CharCode.Underline:
		case CharCode.Dash:
		case CharCode.Period:
		case CharCode.Space:
		case CharCode.SingleQuote:
		case CharCode.DoubleQuote:
		case CharCode.Colon:
			return 4; // ...over other separators
		default:
			return 0;
	}
}