ISBN13 check digit: Difference between revisions
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Langurmonkey (talk | contribs) |
Langurmonkey (talk | contribs) |
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}</lang>
{{works with|langur|0.
In this example, we set a for loop value as it progresses.
<lang langur>val .isbn13checkdigit = f(var .s) {
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var .alt = true
matching(re/^[0-9]{13}$/, .s) and
for[=0] .d in
}
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