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Details of Regular Expression Behavior

The following sections detail the specific behavior you can expect from .NET Framework regular expressions.

Matching Behavior: Provides information about the .NET Framework regular expression engine matching behavior.
Backreferences: Provides information about how regular expression backreferencing is used to find repeating groups of characters.
Backtracking: Provides information about how regular expression backtracking branches to find alternative matches.
Nonbacktracking Lookahead and Lookbehind: Provides information about regular expression lookahead and lookbehind behavior.
Quantifiers and Empty Matches: Explains how you can specify the minimum and maximum desired number of matches and how the regular expression engine handles empty matches.
Next Match After an Empty Match: Explains how the regular expression engine advances through a string after empty matches.
Compilation and Reuse: Provides information about compiling and reusing regular expressions to increase performance.
Thread Safety: Provides information on regular expression thread safety and when you should synchronize access to regular expression objects.

Regular Expressions as a Language: Provides an overview of the programming-language aspect of regular expressions.
Regular Expression Classes: Provides information and code examples illustrating how to use the regular expression classes.
Regular Expression Examples: Contains code examples that illustrate the use of regular expressions in common applications.
Regular Expression Language Elements: Provides information on the set of characters, operators, and constructs that you can use to define regular expressions.
System.Text.RegularExpressions: Provides class-library reference information for the .NET Framework System.Text.RegularExpressions namespace

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