extractAltura function
Implementation
String extractAltura(String fullText) {
final lines = fullText.split('\n');
for (var i = 0; i < lines.length; i++) {
final line = lines[i].trim().toLowerCase();
if (line.startsWith('altura')) {
final alturaRegExp = RegExp(r'(\d+[.,]\d{1,2})');
final match = alturaRegExp.firstMatch(line);
if (match != null) {
return match.group(1)!.replaceAll(',', '.');
}
}
}
return '';
}