is_valid_topic_name

mqtt5_protocol::validation

Function is_valid_topic_name 

Source 
pub fn is_valid_topic_name(topic: &str) -> bool
Expand description

Validates an MQTT topic name according to MQTT v5.0 specification

ยงRules:

  • Must be UTF-8 encoded
  • Must have at least one character
  • Must not contain null characters (U+0000)
  • Must not exceed maximum string length when UTF-8 encoded
  • Should not contain wildcard characters (+, #) in topic names (only in filters)