71 lines
2.3 KiB
JavaScript
71 lines
2.3 KiB
JavaScript
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const testEmails = [
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`Dear Customer,
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Rs.60.00 has been debited from account 5488 to VPA pavithramart.63434836@hdfcbank PAVITHRA MART on 24-07-25.
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Your UPI transaction reference number is 108642900372.
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If you did not authorize this transaction, please report it immediately by calling 18002586161 Or SMS BLOCK UPI to 7308080808.
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Warm Regards,
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HDFC Bank`,
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`Rs.75.00 has been debited to VPA pavithramart.63434836@hdfcbank PAVITHRA MART on 01-08-25.
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Your UPI transaction reference number is 109128631655.`,
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`Rs.299.00 credited to account 1234 from AmazonMarketplace on 19-08-25.
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UPI reference number is 123456789012.`,
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`INR 150.00 debited at STARBUCKS on 20-08-25.
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Ref No: 9876543210`,
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];
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function parseBankMessage(snippet) {
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const result = {
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amount: null,
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vendor: null,
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type: null,
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date: null,
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referenceNumber: null,
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};
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// Amount
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const amtMatch = snippet.match(/(?:Rs\.?|INR)\s*([\d,]+\.?\d*)/i);
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if (amtMatch) result.amount = parseFloat(amtMatch[1].replace(/,/g, ""));
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// Debit / Credit
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if (/debited/i.test(snippet)) result.type = "debit";
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else if (/credited/i.test(snippet)) result.type = "credit";
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// Date
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const dateMatch = snippet.match(/on\s+(\d{2}[-/]\d{2}[-/]\d{2,4})/i);
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if (dateMatch) result.date = dateMatch[1];
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// Reference Number (flexible regex)
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const refMatch = snippet.match(/(?:reference number is|UPI reference number is|Ref No:?)\s*([A-Za-z0-9]+)/i);
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if (refMatch) result.referenceNumber = refMatch[1].trim();
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// Vendor extraction - remove emails, pick last uppercase phrase
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let vendorCandidate = snippet.replace(/[a-z0-9._%+-]+@[a-z0-9.-]+/gi, '').trim();
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const vendorWords = vendorCandidate.match(/(?:\b[A-Z]{2,}\b(?:\s)?)+/g);
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if (vendorWords && vendorWords.length > 0) {
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result.vendor = vendorWords[vendorWords.length - 1].trim();
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} else {
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// Fallback: extract after "to " or "at "
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const toMatch = snippet.match(/to\s+([A-Za-z0-9\s&.-]+)/i);
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if (toMatch) {
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let v = toMatch[1].trim();
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v = v.replace(/[a-z0-9._%+-]+@[a-z0-9.-]+/gi, '').trim();
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v = v.replace(/\s{2,}/g, ' ');
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result.vendor = v;
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}
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}
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return result;
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}
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console.log("=== Bank Email Regex Test ===");
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testEmails.forEach((email, idx) => {
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console.log(`\n-- Email ${idx + 1} --`);
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console.log(email);
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const parsed = parseBankMessage(email);
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console.log("Parsed Result:", parsed);
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});
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