19 lines
504 B
JavaScript
Executable File
19 lines
504 B
JavaScript
Executable File
import assertString from './util/assertString';
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import merge from './util/merge';
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var base32 = /^[A-Z2-7]+=*$/;
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var crockfordBase32 = /^[A-HJKMNP-TV-Z0-9]+$/;
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var defaultBase32Options = {
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crockford: false
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};
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export default function isBase32(str, options) {
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assertString(str);
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options = merge(options, defaultBase32Options);
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if (options.crockford) {
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return crockfordBase32.test(str);
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}
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var len = str.length;
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if (len % 8 === 0 && base32.test(str)) {
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return true;
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}
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return false;
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} |