Translations:Using regular expressions/113/sl
From LimeSurvey Manual
/^(?:(?:00:[0-5][0-9] (?:dopoldne|dopoldan)|(?:0[1-9]|1[01]):[0-5][ 0-9] (?:[ap]m|[AP]M)|12:[0-5][0-9] (?:popoldan|popoldne))|(?:[01][0-9] |2[0-3]):[0-5][0-9])$/
/^(?:(?:00:[0-5][0-9] (?:dopoldne|dopoldan)|(?:0[1-9]|1[01]):[0-5][ 0-9] (?:[ap]m|[AP]M)|12:[0-5][0-9] (?:popoldan|popoldne))|(?:[01][0-9] |2[0-3]):[0-5][0-9])$/