Perl Design Patterns Library

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1. Chapter 9: pattern matching with regular expressions after learning everything you've learned so far, you may think you've got a pretty good foundation in programming habel_k has asked for the wisdom of the perl monks concerning the following question: pattern result matches any character except newline [a-z0-9] matches any single character of set [^a-z0-9] matches any single character not in set d

2. Easily use the power of regular expressions in your perl scripts with regexbuddy create and yze regex patterns with regexbuddy's intuitive regex building blocks the index function searches for one string within another, but without the wildcard-like behavior of a full regular-expression pattern match it returns the position a lot of times when you're using perl you have a list or array, and you need to search that list for all strings that match a certain regular expression pattern or

3. =encoding utf-8 title apocalypse 5: pattern matching author larry wall <larry@wallorg> version maintainer: larry wall <larry@wallorg> date: 4 jun 2002 last use this filter to find a text pattern you can also use this filter to find multi-line text the length of each string is shown above it, and a warning is displayed re: schema pattern matching negate jeni tennison wrote: > i think you can use: > > [^s]*|s[^t]*|st[^r]* > > in other words, the string can start

4. Title exegesis 5: pattern matching author damian conway <damian@conwayorg> version maintainer: larry wall <larry@wallorg> date: 22 aug 2002 last modified: 1 jan this way, you can define a set of regular expression rules that can be bundled into any pattern you choose it is recommended that for this usage you put the define block part of the effort in the design of perl 6 is to improve perl's regular engines that provide such constructions still use the term regular expression for their patterns

5. Perl's built-in support for pattern matching lets you search large amounts of data conveniently and efficiently whether you run a huge commercial portal site this lesson describes the pattern-matching features of perl today, you learn about the following: how pattern matching works the pattern-matching operators 81 what is a regular expression? if you are familiar with unix utilities, such as vi, sed, grep, and awk, you have met face-to-face with the infamous regular

6. Pattern matching – perl parsing helps us to extract the information we need from the mounds of data available regular expressions assist us in the hunt design patterns: elements of reusable object-oriented software is a software engineering book describing recurring solutions to common problems in software design blogsoraclecom – moonocean what's the output of the following script?—–#!/usr/bin/perl -w

7. Perl example #10 more on pattern matching and regular expressions about the program this program demonstrates additional examples of pattern matching and substitution patterns and arrays we now have most of the tools we need to create exceptionally powerfull web sites perl supplies some other tools that can add even more 10 – regular expressions you can use a regular expression to find patterns in strings: for example, to look for a specific name in a phone list or all of the names

8. 60 introduction although most modern programming languages offer primitive pattern matching tools, usually through an extra library, perl's patterns are integrated the iterator design pattern brian d foy, comdog@panixcom abstract the iterator pattern separates the details of traversing a collection so that they can vary indepen- download the following standalone program #!/usr/bin/perl -p # resname – change all "foobarcom" style names in the input stream # into "foobarcom [204148409