sets the regexp query expression to use . concode_field_sep Logger logR concode_elem_sep String queryExpression concode_elem_sep Boolean allowNulls concode_elem_sep String metadataKey concode_elem_sep Pattern pattern concode_field_sep void setMetadataKey concode_elem_sep String getQueryExpression concode_elem_sep Boolean getAllowNulls concode_elem_sep String getMetadataKey concode_elem_sep MetadataElement doQuery concode_elem_sep void setAllowNulls concode_elem_sep boolean allowNullResults
void function ( String arg0 ) { if ( arg0 == null || "srini_string" . equals ( arg0 ) ) { throw new IllegalArgumentException ( ) ; } else { queryExpression = arg0 ; } }