Lexical Analysis with Flex
Flexisatoolforgeneratingscanners.Ascanner,sometimescalledatokenizer,isaprogramwhichrecognizeslexicalpatternsintext.Theflexprogramreadsuser-specifiedinputfiles,oritsstandardinputifnofilenamesaregiven,foradescriptionofascannertogenerate.Thedescriptionisintheformofpairsofregulare
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