YaST2 HA Setup for SAP Products - cannot input several instance numbe… #15
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Problem
Valid SAP instance number is not recognized as valid.
The SAP instance number must contains 2 digits and it is in the range from 00 to 99.
Integer numbers starting with 0 are interpreted by Ruby as octal numbers. Therefore 08 and 09 are not recognized as valid.
Solution
Use a regex to validate the SAP instance number:
SAP_INST_NUM_REGEX = Regexp.new('^[0-9]{2}$')