'Character classes' diaporamas de présentation

03-60-214 Lexical analysis

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Chapter 7 Matching Patterns and Files

Chapter 7 Matching Patterns and Files. Objectives. Use Perl pattern matching and regular expressions to filter input data Work with files to enable a program to store and retrieve data. Patterns in String Variables.

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Lecture 4

Lecture 4. Regular Expressions grep and sed intro. Previously. Basic UNIX Commands Files: rm, cp, mv, ls, ln Processes: ps, kill Unix Filters cat , head , tail , tee, wc cut , paste find sort , uniq comm , diff, cmp tr. Subtleties of commands. Executing commands with find

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VBScript

VBScript. Session 13. What we learn last session?. What means error handling. When to use On Error statements. Using the error object. Raising our own errors. Subjects for session 13. Regulal Expressions RegExp object Methods Properties. Using the RegExp object.

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ECA 236

ECA 236. Open Source Server Side Scripting PHP Regular Expressions. regular expressions. pattern matching define a pattern compare it to a string test for match replace match if desired. ^([0-9]{3})-( [0-9]{2})-( [0-9]{4})$. RE functions. 2 functions to search strings for a match

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CMPT 125

CMPT 125. Regular Expressions. Objectives. Read and write simple regular expressions. What are Regular Expressions?. Regular expressions are a string processing language A regular expression is a string that matches a set of strings

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Regular Expressions

Regular Expressions. The Purpose. Regular expressions are the main way Perl matches patterns within strings. For example, finding pieces of text within a larger document, or finding a restriction site within a larger sequence. There are 3 main operators that use regular expressions:

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CSE467/567 Computational Linguistics

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Regular Expressions

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Ruby!

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Regular Expressions using Ruby

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Advanced Regular Expressions

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Regular Expressions in Perl

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CS 211 Regular Expressions

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Regular Expressions

Regular Expressions. Regular expressions are a language for string patterns. RegEx is integral to many programming languages: ? Perl ? Python ? Javascript ? PHP ? C/C++ ? grep (in Unix) ? Java (java.util.regex.*) and many more.

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Make a selection on the left

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