Seitenvergleich

[condition empty($vorwahl) OR !empty($telefon)]+49 123 {telefon}[/condition]

[condition regexp('^[a-z]+$', $variable) OR !regexp('^[a-z]{0}$', $variable)]Ausgabe[/condition]

[condition (regexp('^[a-z]+$', $vorname) OR !regexp('^[a-z]{0}$', $vorname)) OR empty($vorname)]
[condition empty($name)]Max Mustermann[/condition]
[/condition]