ipv4 property

RegExp ipv4
final

Matches IPv4 addresses in dot-decimal notation.

  • Examples (✅ Valid): 192.168.1.1, 10.0.0.255
  • Examples (❌ Invalid): 256.0.0.1, 192.168.1

Use Case: IP address validation in networking configurations or input forms.

Implementation

static final RegExp ipv4 = RegExp(r'^(\d?\d?\d)\.(\d?\d?\d)\.(\d?\d?\d)\.(\d?\d?\d)$');