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import assertString from './util/assertString'; // supports Bech32 addresses
var bech32 = /^(bc1)[a-z0-9]{25,39}$/;
var base58 = /^(1|3)[A-HJ-NP-Za-km-z1-9]{25,39}$/;
export default function isBtcAddress(str) {
assertString(str); // check for bech32
if (str.startsWith('bc1')) {
return bech32.test(str);
}
return base58.test(str);
}