EiffelLex Samples

Real $R Integer $Z String ("\"" -> "\"") Div "//" Mod "\\" Quotient '/' Product '*' Plus '+' Minus '-' Relational ('=' | '<' | '>' | ('<' '=') | ('>' '=') | ('/' '=')) Comment ("--" -> "\n") *(' '| '\t') *("--" -> "\n") FeatureAddress '$' Dot '.' Dotdot ".." Semicolon ';' Colon ':' Comma ',' Assign ":=" ReverseAssign "?=" Lparan '(' Rparan ')' Lcurly '{' Rcurly '}' Lsquare '[' Rsquare ']' Bang '!' LeftArray "<<" RightArray ">>" Power '^' Constraint "->" Character (('\''$P'\'') | ('\'''\\'['t'|'n'|'r'|'f']'\'') | ('\''+('0'..'7')'\'')) Identifier ~('a'..'z') *(~('a'..'z') | '_' | ('0'..'9')) -- Keywords as and check class current debug deferred do else elseif end ensure expanded export external false feature from if implies indexing infix inherit inspect integer invariant is language like local loop not obsolete old once or prefix real redefine require rename rescue result retry select strip then true undefine unique until variant void when xor