@reown/appkit-siwe-react-native/lib/module/helpers/index.js

#### 🔎 [Examples](https://github.com/reown-com/react-native-examples)

import { isValidEip191Signature, isValidEip1271Signature } from '@walletconnect/utils';
const ETH_ADDRESS_PATTERN = /0x[a-fA-F0-9]{40}/u;
const ETH_CHAIN_ID_IN_SIWE_PATTERN = /Chain ID: (?<temp1>\d+)/u;
export function getAddressFromMessage(message) {
  return message.match(ETH_ADDRESS_PATTERN)?.[0] || '';
}
export function getChainIdFromMessage(message) {
  return `eip155:${message.match(ETH_CHAIN_ID_IN_SIWE_PATTERN)?.[1] || 1}`;
}
export async function verifySignature({
  address,
  message,
  signature,
  chainId,
  projectId
}) {
  let isValid = await isValidEip191Signature(address, message, signature);
  if (!isValid) {
    isValid = await isValidEip1271Signature(address, message, signature, chainId, projectId);
  }
  return isValid;
}
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