public GetTablesRequest withExpression(String expression) {
        setExpression(expression);
        return this;
    }
<p>
A regular expression pattern. If present, only those tables whose names match the pattern are returned.
</p>

@param expression
       A regular expression pattern. If present, only those tables whose names match the pattern are returned.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-glue/src/main/java/com/amazonaws/services/glue/model/GetTablesRequest.java