($line =~ m/authDataAlias=\"([^\"]*)\"/i)

cell-tstc-65_DM/userQ

cell-tstc-65_DM/user1

##</code><code>##

($line =~ m/authDataAlias=(.*-.*-.*_DM\/.*)/i)

"cell-tstc-65_DM/userQ" connectionDefinition="ConnectionDefinition_1054132487569" cmpDatasource="DataSource_1195273954323">
"cell-tstc-65_DM/user1" relationalResourceAdapter="builtin_rra" statementCacheSize="10" datasourceHelperClassname="com.ibm.websphere.rsadapter.DB2UniversalDataStoreHelper">