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  1. SonarJava
  2. SONARJAVA-3567

Rule S6019: Reluctant quantifiers in regular expressions should be followed by an expression that can't match the empty string

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    Details

    • Type: New Feature
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 6.10
    • Component/s: Rules
    • Labels:

      Description

      Implement S6019 by finding all reluctantly quantified expressions using a visitor and then use the linked helper method to find out whether its continuation can match the empty string.

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          Issue Links

          depends upon

          Task - A task that needs to be done. SONARJAVA-3549 Add support for automata-based analyses for regular expressions

          • Major - Major loss of function.
          • Closed

          Task - A task that needs to be done. SONARJAVA-3551 Implement helper to find whether state in regex automaton is reachable without consuming input

          • Major - Major loss of function.
          • Closed
          implements

          Code Smell Detection - RSPEC-6019 Reluctant quantifiers in regular expressions should be followed by an expression that can't match the empty string

          • Active
          supercedes

          Improvement - An improvement or enhancement to an existing feature or task. SONARJAVA-3475 Expand the scope of S5840

          • Major - Major loss of function.
          • Closed

            Activity

              People

              Assignee:
              sebastian.hungerecker Sebastian Hungerecker
              Reporter:
              sebastian.hungerecker Sebastian Hungerecker
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