validIPv4 property
Implementation
static String validIPv4 =
r'^(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])'
r'(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])){3}$';
static String validIPv4 =
r'^(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])'
r'(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])){3}$';