Search the dictionary A Chinese word or character, or English Draw a character Search 4 entries. biǎodáshì 表达式 expression (math.) biǎodáshì 表達式 expression (math.) zhèngzébiǎodáshì 正则表达式 regular expression (computing) zhèngzébiǎodáshì 正則表達式 regular expression (computing)