December 2004
Intermediate to advanced
608 pages
11h 47m
English
Content preview from Apache Jakarta and Beyond: A Java Programmer’s IntroductionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 13. Working with Text 1: Regular Expressions
The tools presented in the preceding few chapters have dealt with structured data, data organized into rows in a database or trees in the form of beans or XML. This chapter and Chapter 14 address tools for working with an important type of unstructured data: raw text.
Text appears within applications in a variety of forms and contexts. Text may exist within a larger structured context, such as a name, address, or description field in a database. Text may also live in large collections with minimal structure, such as a e-mail folders or hierarchies of directories of memos or reports. Applications may need to perform similar tasks in all these cases: determine whether a particular piece of text ...
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