AI FileSystem MCP

// Test for regex infinite loop issue const pattern = 'test'; const text = 'this is a test line with test content'; // This can cause infinite loop if not handled properly const searchRegex = new RegExp(pattern.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), 'g'); console.log('Testing regex...'); let match; let count = 0; while ((match = searchRegex.exec(text)) !== null) { count++; console.log(`Match ${count}: ${match[0]} at position ${match.index}`); // Safety check to prevent infinite loop if (count > 100) { console.error('Potential infinite loop detected!'); break; } // The key issue: if the regex matches an empty string, lastIndex doesn't advance if (match[0] === '') { searchRegex.lastIndex++; } } console.log('Regex test completed');