| 1234567 | 
							- import assertString from './util/assertString';
 
- 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);
 
-   return bech32.test(str) || base58.test(str);
 
- }
 
 
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