Intermediate Pattern Matching
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" Intermediate Pattern Matching "
1.5 days
Next Public Offering: TBD; Help Us Schedule! |
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Course Description
This class shows experienced Perl programmers how to solve complicated problems involving parsing, text matching, and text substitution using relatively advanced features of Perl.Students learn how to use match variables, non-capturing parentheses, the lookahead and lookbehind metacharacters. and the greedy and stingy mods of matching". In addition, special uses of the range, matching, and substitution operators, and the grep, map, and split functions, are demonstrated. Relevant Perl modules are also discussed, such as those for matching "bounded" strings, for doing "fuzzy" matching, and for performing "phonetic" matching.
Practical applications of the imparted skills to typical data processing tasks are emphasized in hands-on lab sessions.
Who Should Attend
Students should have at least 6 months of prior experience with Perl, and be experienced with one of the following text editors: vi, emacs, or pico (or another locally available editor, for on-site classes). The course is intended for UNIX programmers, system administrators, network administrators, data administrators, and webmasters.Author & Instructors
Dr. Tim Maher has been working with the interpreted languages of UNIX for over 25 years, and counted AWK as his favorite scripting language until Perl came along and eclipsed it. He has written many sophisticated applications in AWK, Korn shell, C, C++, and Perl, including a user interface for U.C. Berkeley undergraduates and source code beautifiers for Perl and C++. He is the CEO and Principal Instructor of CONSULTIX, for whom he has authored and taught 17 courses on a wide variety of software topics.Tim is also the founder of the Seattle Perl Users Group (SPUG), one of the oldest PUGs on the planet and also the clear leader in attracting world-class Perl experts to its meetings.
CONSULTIX instructors are renowned for their ability to communicate complex concepts in simple terms and to make the study of dry technical material enjoyable.
Topics
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Line-Anchors |
String-Anchors |
Word-Anchors |
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Back-References |
Capturing Parentheses |
Non-Capturing Parentheses |
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RE Grouping |
Stingy vs. Greedy Matching |
Assertions & Lookahead |
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Match Variables |
split() Delimiters |
Single and Multiline Modes |
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Negated Character Class |
Balanced Matches |
Managing Complex REs |
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RE Efficiency |
Pattern Ranges |
Fuzzy Matching |
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eval() and REs |
Pre-Compiling REs |
Using study() |
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Text::Balanced |
String::Approx |
Text::Soundex |
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