[brlcab-mascot]

[title]

[(brl-when (brl-nonblank? sedol)] [sedol] is[(brl-unless (sedol-valid? sedol)] not[)] a valid SEDOL. [)] [(brl-when (= 6 (string-length sedol))] However, [sedol (sedol-digit7 sedol)] is. [)]

SEDOL numbers are defined by the London Stock Exchange as seven-digit numbers, the last of which is a check digit.

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