Translations:Using regular expressions/112/sl
From LimeSurvey Manual
/^(?:00:[0-5][0-9]:[0-5][0-9] (?:dopoldne|dopoldan)|(?:0[1-9]|1[01] ):[0-5][0-9]:[0-5][0-9] (?:[ap]m|[AP]M)|12:[0-5][0-9]: [0-5][0-9] (?:popoldan|popoldne))$/
/^(?:00:[0-5][0-9]:[0-5][0-9] (?:dopoldne|dopoldan)|(?:0[1-9]|1[01] ):[0-5][0-9]:[0-5][0-9] (?:[ap]m|[AP]M)|12:[0-5][0-9]: [0-5][0-9] (?:popoldan|popoldne))$/