const regexp/syntax.EmptyBeginLine

7 uses

	regexp/syntax (current package)
		compile.go#L116: 		return c.empty(EmptyBeginLine)
		prog.go#L66: 	EmptyBeginLine EmptyOp = 1 << iota
		prog.go#L87: 		op |= EmptyBeginLine
		prog.go#L89: 		op |= EmptyBeginText | EmptyBeginLine
		prog.go#L268: 	case EmptyBeginLine:

	regexp
		exec.go#L133: 	if op&syntax.EmptyBeginLine != 0 {
		exec.go#L137: 		op &^= syntax.EmptyBeginLine

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