How To Fix ADW090 - Regular expression 2 is syntactically incorrect

SAP Error Message - Details

• Message type: E = Error

• Message class: ADW - Advanced Developer Workplace

• Message number: 090

• Message text: Regular expression 2 is syntactically incorrect

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ADW090 - Regular expression 2 is syntactically incorrect ?

  The SAP error message ADW090 indicates that there is a problem with a regular expression used in your SAP system. This error typically arises when the regular expression syntax is incorrect or not supported by the SAP system.
  Cause:
  
  Syntax Error: The regular expression may contain syntax errors, such as unbalanced parentheses, incorrect quantifiers, or unsupported constructs.
  Unsupported Features: Some regular expression features available in other programming languages or environments may not be supported in SAP.
  Incorrect Escape Sequences: Special characters in the regular expression may not be properly escaped, leading to syntax issues.
  
  Solution:
  
  Review the Regular Expression: Check the regular expression for any syntax errors. Ensure that all parentheses are balanced and that the syntax adheres to the rules of the regular expression engine used by SAP.
  Test the Regular Expression: Use a regular expression testing tool or an online regex tester to validate the regular expression. This can help identify any issues before implementing it in SAP.
  Simplify the Expression: If the regular expression is complex, try simplifying it to see if the error persists. Gradually add complexity back to identify the specific part causing the issue.
  Check Documentation: Refer to the SAP documentation for the specific version you are using to understand the supported syntax and features for regular expressions.
  Use Escape Characters: Ensure that any special characters are properly escaped. For example, if you are using a backslash (\), it may need to be escaped as \\.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to regular expressions in your version of SAP.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  Regular Expression Syntax: Familiarize yourself with the regular expression syntax that is supported in SAP, as it may differ from other programming environments.
  
  If you continue to experience issues after checking the above points, consider reaching out to your SAP support team for further assistance.