A country can be an expression.Logical formLearned from6 sentences. Some files may match a regular expression.Logical formLearned from6 sentences. A relationship can be between (gene expression).Logical formLearned from6 sentences. Arch may undergo an expression.Logical formLearned from6 sentences. Expressions can be apt.Logical formLearned from6 sentences. A person may know facial expressions.Logical formLearned from6 sentences. An expression can be aboriginal.Logical formLearned from6 sentences. An (expression class) can be regular.Logical formLearned from6 sentences. An (expression object) can be regular.Logical formLearned from6 sentences. (Expression capabilities) can be regular.Logical formLearned from6 sentences. An expression can be to the right.Logical formLearned from6 sentences. A difference can be between expression.Logical formLearned from6 sentences. Subexpressions of a boolean operator can be regular expressions.Logical formLearned from6 sentences. Expressions can be (building blocks) of some patterns.Logical formLearned from6 sentences. Software may deal with regular expressions.Logical formLearned from6 sentences.