C# Text Manipulation Handbook

by McQueen, Craig/Liger, Francoi

• ISBN13: 9781861008237
• ISBN10: 1861008236
• Edition: 1st
• Format: Trade Paper
• Copyright: 2002-11-01
• Publisher: Springer-Verlag New York Inc

Table of Contents

Introduction	1	(1)
Who is this Book For?	2	(1)
Book Outline	2	(5)
How the System Deals with Text	7	(30)
The .NET Framework	8	(3)
Common Language Runtime	8	(1)
Managed Heap	9	(1)
.NET Framework Class Library	10	(1)
Text as a Data Type	11	(7)
C# Data Types	12	(1)
Value Types and Reference Types	12	(1)
Primitive Types	12	(1)
Characters and Character Sets	13	(2)
Characters in C#	15	(2)
String Data Type	17	(1)
Text Storage	18	(7)
Caching	20	(1)
Interning	21	(1)
Other Approaches	21	(1)
.NET Implementation	22	(3)
String Operations	25	(5)
Concatenating Strings	26	(1)
Extracting Substrings from Strings	27	(1)
Comparing Strings	28	(1)
Converting Strings	28	(1)
Formatting Strings	29	(1)
String Uses	30	(3)
Building Strings	30	(2)
Parsing Strings	32	(1)
Internationalization	33	(2)
.NET Resource Files	34	(1)
Summary	35	(2)
String and StringBuilder	37	(40)
Tools for this Chapter	37	(1)
Text Architecture	38	(2)
String Class	40	(7)
Interning Strings	41	(2)
Construction	43	(3)
Escaping Strings	46	(1)
StringBuilder Class	47	(5)
Length and Capacity	49	(2)
ToString()	51	(1)
String Operations	52	(12)
Concatenating Strings	53	(2)
Extracting Substrings from Strings	55	(1)
Comparing Strings	55	(4)
Formatting	59	(1)
Formatting Numbers	60	(2)
Formatting Dates	62	(1)
Formatting Enumerations	63	(1)
Formatting Choices	63	(1)
Uses of Strings	64	(11)
Building Strings	64	(3)
Tokenizing	67	(2)
Reversing a String	69	(1)
Insert, Remove, and Replace	70	(2)
Choosing Between String and StringBuilder	72	(3)
Summary	75	(2)
String Conversion	77	(22)
The ToString() Method	77	(1)
Representing Numeric Values as Strings	78	(5)
NumberFormatInfo	81	(2)
Representing Date and Time as a String	83	(3)
The DateTimeFormatInfo Class	84	(2)
Representing Other Objects as Strings	86	(1)
Representing Strings with Strings	87	(1)
From String to Other Types	88	(5)
Converting Strings to Numbers	89	(2)
Converting String to Date and Time	91	(1)
Parsing Date and Time	91	(2)
Moving Strings Between Collections and Arrays	93	(3)
Arrays	94	(1)
ArrayLists	95	(1)
IDictionary Objects	96	(1)
Summary	96	(3)
Internationalization	99	(36)
Unicode	100	(2)
Encoding Formats	101	(1)
.NET Framework Encoding Classes	102	(4)
The Encoding Class	102	(4)
Dealing with Strings	106	(12)
The CultureInfo Class	106	(1)
Culture Names	106	(1)
The Different Types of Culture	107	(2)
The Two Roles of CultureInfo	109	(1)
Setting the CurrentCulture and the CurrentUICulture	110	(1)
Uppercasing and Lowercasing	111	(1)
Uppercasing	111	(1)
Lowercasing	112	(1)
When Culture-Sensitive Operations are Not Desired	112	(1)
Sorting	112	(1)
String.CompareOrdinal()	113	(1)
String.Compare()	114	(1)
String.CompareTo()	115	(1)
The CompareInfo Class	116	(2)
Dealing with Characters	118	(9)
Necessary Information about Characters	119	(1)
Surrogate Pairs	119	(1)
How Surrogates Work	120	(1)
Why Support Surrogates	120	(1)
Handling Surrogate pairs	121	(1)
Displaying Surrogates	121	(3)
Surrogates Input	124	(1)
Sorting	125	(1)
Combining Characters	125	(1)
Dealing with Surrogate Pairs and Combining Characters	125	(1)
StringInfo.ParseCombiningCharacters()	126	(1)
StringInfo.GetTextEnumerator()	127	(1)
Formatting Unicode Strings	127	(1)
Strings as Resources	128	(4)
The .NET Resource Model	129	(1)
.resx File	129	(1)
.resources Files	129	(1)
Embedded Resources	130	(1)
Using Resources	130	(1)
Localization with Resources	131	(1)
Summary	132	(3)
Introducing Regular Expressions	135	(36)
System.Text.RegularExpressions	136	(1)
The Regex Class	137	(5)
RegexOptions Enumeration	137	(1)
Class Constructor	138	(1)
IsMatch() Method	139	(1)
Replace() Method	140	(1)
Split()	141	(1)
The Match and MatchCollection Classes	142	(4)
Regex Tester Example	146	(9)
Fundamental Regular Expression Syntax	155	(13)
Matching Different Classes of Characters	155	(2)
Specifying Match Position	157	(1)
Specifying Repetition	158	(2)
Greedy and Lazy Expressions	160	(6)
Specifying Alternatives	166	(1)
Special Characters	167	(1)
Summary	168	(3)
Advanced Regex Concepts	171	(28)
Groups, Substitutions, and Backreferences	171	(19)
Simple Groups	172	(1)
Capturing: ( )	173	(1)
Non-Capturing: (?:)	173	(1)
Capturing-By-Name: (?<name>)	174	(1)
Comparing Simple Groups	174	(3)
The Group and GroupCollection Classes	177	(4)
Substitutions	181	(2)
Backreferences	183	(1)
Advanced Groups	184	(1)
Positive Look-Ahead Assertion: (?=)	185	(1)
Negative Look-Ahead Assertion: (?!)	185	(1)
Positive Look-Behind Assertion: (?<=)	185	(1)
Negative Look-Behind Assertion: (?<!)	186	(1)
Non-Backtracking: (?>)	186	(1)
Comparing Advanced Groups	186	(4)
Making Decisions in Regular Expressions	190	(3)
Setting Options within a Regex	193	(1)
Rules of the Regex Engine	193	(3)
Summary	196	(3)
Regular Expression Patterns	199	(84)
Validating Characters	199	(1)
Validating Numbers	200	(2)
Numbers Only	200	(1)
Integer Numbers Only	201	(1)
Floating-Point Numbers	201	(1)
Validating a Telephone Number	202	(3)
Validating a Postal Code	205	(1)
Validating an E-mail Address	206	(5)
Validating an IP Address	207	(1)
Validating a Domain Name	208	(1)
Validating a Person's Address	209	(1)
Validating the Complete Address	210	(1)
Analyzing an SMTP Log File	211	(11)
HTML Tags	222	(10)
Removing HTML from User Input	222	(1)
Extracting All HTML Tags	223	(5)
HTML Extraction Example	228	(4)
Summary	232	(3)
Appendices
A: The String Class	235	(10)
Constructors	235	(1)
Properties	236	(1)
Methods	236	(9)
B: The StringBuilder Class	245	(6)
Constructors	245	(1)
Properties	246	(1)
Methods	246	(5)
C: Regular Expression Syntax	251	(12)
Matching Characters	251	(1)
Repetition Characters	252	(1)
Positional Characters	253	(1)
Grouping Characters	253	(4)
Decision Making Characters	257	(1)
Substitution Characters	258	(1)
Escape Sequences	259	(1)
Option Flags	260	(3)
D: Managing Culturally Correct Date and Time Formats in C#	263	(16)
Console Examples Using DateTime	264	(1)
First Console Example	264	(5)
A Note About Managing String Formatting	269	(2)
Some Examples from ASP	271	(1)
Revising DateSquares	272	(2)
Another Date Example	274	(3)
Summary	277	(2)
E: Support, Errata, and Code Download	279	(4)
How to Download the Sample Code for the Book	279	(1)
Errata	280	(1)
E-Mail Support	280	(1)
p2p.wrox.com	281	(2)
Index	283