Mastering Regular Expressions.pdf

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1、MasteringRegularExpressions-TableofContentsMasteringRegularExpressionsTableofContentsTablesPreface1IntroductiontoRegularExpressions2ExtendedIntroductoryExamples3OverviewofRegularExpressionFeaturesandFlavors4TheMechanicsofExpressionProcessing5CraftingaRegularExpression6Tool-SpecificInforma

2、tion7PerlRegularExpressionsAOnlineInformationBEmailRegexProgramIndexMasteringRegularExpressionsPowerfulTechniquesforPerlandOtherToolsJeffreyE.F.FriedlO'REILLYÔCambridge·Köln·Paris·Sebastopol·Tokyo[PU]O'Reilly[/PU][DP]1997[/DP]PageivMasteringRegularExpressionsbyJeffreyE.F.FriedlCopyright©1

3、997O'Reilly&Associates,Inc.Allrightsreserved.PrintedintheUnitedStatesofAmerica.PublishedbyO'Reilly&Associates,Inc.,101MorrisStreet,Sebastopol,CA95472.Editor:AndyOramProductionEditor:JeffreyFriedlPrintingHistory:January1997:FirstEdition.March1997:Secondprinting;Minorcorrections.May1997:Thi

4、rdprinting;Minorcorrections.July1997:Fourthprinting;Minorcorrections.November1997:Fifthprinting;Minorcorrections.August1998:Sixthprinting;Minorcorrections.December1998:Seventhprinting;Minorcorrections.NutshellHandbookandtheNutshellHandbooklogoareregisteredtrademarksandTheJavaSeriesisatrad

5、emarkofO'Reilly&Associates,Inc.Manyofthedesignationsusedbymanufacturersandsellerstodistinguishtheirproductsareclaimedastrademarks.Wherethosedesignationsappearinthisbook,andO'Reilly&Associates,Inc.wasawareofatrademarkclaim,thedesignationshavebeenprintedincapsorinitialcaps.Whileeveryprecaut

6、ionhasbeentakeninthepreparationofthisbook,thepublisherassumesnoresponsibilityforerrorsoromissions,orfordamagesresultingfromtheuseoftheinformationcontainedherein.PageVTableofContentsPrefacexv1:IntroductiontoRegularExpressions1SolvingRealProblems2RegularExpressionsasaLanguage4TheFilenameAna

7、logy4TheLanguageAnalogy5TheRegular-ExpressionFrameofMind6SearchingTextFiles:Egrep7EgrepMetacharacters8StartandEndoftheLine8CharacterClasses9MatchingAnyCharacter—Dot11Alternation12WordBoundaries14InaNutshell15OptionalItems16OtherQuantifiers:Repetition17IgnoringDiffer