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Viewing file:     isBtcAddress.js (347 B)      -rw-r--r--

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);
}