sanitizeInput static method

String sanitizeInput(
  1. String input
)

Sanitizes input to prevent injection attacks.

Implementation

static String sanitizeInput(String input) {
  return input
      .replaceAll(RegExp(r'[<>"&]'), '') // Remove potential harmful chars
      .trim()
      .substring(0, input.length > 1000 ? 1000 : input.length); // Limit length
}