Today, I will discuss about the “Wildcards in Pentaho”. I have tried to cover all possible Scenarios. Use the below wildcard for below mentioned Scenarios. 1. Get all files present inside a particular Directory. .+ 2. Get all CSV files. .+\.csv 3. Get all CSV files having special character like UnderScore (_) .+._.+\.csv 4. Get all CSV files starting with Particular Pattern . For Example abc*****.csv abc.+\.csv 5. Get all CSV files having pattern in between.For example ***abc***.csv .+.abc.+\.csv 6. Get all CSV files which are ending with Numbers. .+[0-9]\.csv…