const regexp/syntax.opVerticalBar

4 uses

	regexp/syntax (current package)
		parse.go#L76: 	opVerticalBar
		parse.go#L1191: 		p.op(opVerticalBar)
		parse.go#L1234: 	if n >= 3 && p.stack[n-2].Op == opVerticalBar && isCharClass(p.stack[n-1]) && isCharClass(p.stack[n-3]) {
		parse.go#L1251: 		if re2.Op == opVerticalBar {