EntityQ1050437· pop 12· linked from 23 articlesflexSign in to savefree software alternative to lexConnectionslexical analysisEntitydeterministic finite automataEntityGNU bisonEntityports collectionEntityoperating systemEntityInternational Standard Book NumberEntityQ15777EntityQ2407EntityUnicodeEntitycomputer programEntityWayback MachineEntityGNU General Public LicenseEntityprogrammerEntityBerkeley Software DistributionEntityregular expressionEntityOpenBSDEntitysoftware licenseEntityGNU Compiler CollectionEntityfree and open-source softwareEntityQ14658EntityCategoriesCompiling toolsFinite-state machinesFree software programmed in CLexical analysisSoftware using the BSD license