Xem 1-20 trên 110 kết quả Regular expression
  • This revised edition covers the regular expression flavors used by C#, Java, JavaScript, Perl, PHP, Python, Ruby, and VB.NET. You’ll learn powerful new tricks, avoid flavor-specific gotchas, and save valuable time with this huge library of practical solutions. Learn regular expressions basics through a detailed tutorial

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  • This handy little book offers programmers a complete overview of the syntax and semantics of regular expressions that are at the heart of every text-processing application. Ideal as a quick reference, Regular Expression Pocket Reference covers the regular expression APIs for Perl 5.8, Ruby (including some upcoming 1.9 features), Java, PHP, .NET and C#, Python, vi, JavaScript, and the PCRE regular expression libraries.

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  • If you’re a programmer new to regular expressions, this easy-to-follow guide is a great place to start. You’ll learn the fundamentals step-by-step with the help of numerous examples, discovering first-hand how to match, extract, and transform text by matching specific words, characters, and patterns. Regular expressions are an essential part of a programmer’s toolkit, available in various Unix utlilities as well as programming languages such as Perl, Java, JavaScript, and C#.

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  • Báo cáo Phương pháp xây dựng phần mềm "Regular expression" giới thiệu đến các bạn những nội dung về regular expression, khái niệm regular expression, cú pháp regular expression, group và lookaround,... Với các bạn đang học chuyên ngành Công nghệ thông tin thì đây là tài liệu tham khảo hữu ích.

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  • Syntactic constraints in Koskenniemi's Finite-State Intersection Grammar (FSIG) are logically less complex than their formalism (Koskenniemi et al., 1992) would suggest: It turns out that although the constraints in Voutilainen's (1994) FSIG description of English make use of several extensions to regular expressions, the description as a whole reduces to a finite combination of union, complement and concatenation. This is an essential improvement to the descriptive complexity of ENGFSIG.

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  • RE là một ngôn ngữ cực mạnh dùng mô tả văn bản cũng như thao tác trên văn bản. Một RE thường được ứng dụng lên một chuỗi, nghĩa là lên một nhóm ký tự.

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  • RE là một ngôn ngữ cực mạnh dùng mô tả văn bản cũng như thao tác trên văn bản. Một RE thường được ứng dụng lên một chuỗi, nghĩa là lên một nhóm ký tự. Chẳng hạn, ta có chuỗi sau: Mot, Hai, Ba, Bon, NEVERLAND.

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  • Không chỉ trong PHP mà ở nhiều ngôn ngữ khác Regular Expressions xuất hiện một cách thường xuyên, điều này cho thấy sự tiện dụng của nó. Xin giới thiệu một vài mẫu Regex hữu ích : Tên truy cập Chỉ chấp nhận chữ cái thường, chữ cái viết hoa, số 0-9, và gạch chân. view plaincopy to clipboardprint? 1. $string =

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  • Tham khảo tài liệu 'dive into python-chapter 7. regular expressions', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • (BQ) Part 2 of ebook "Build your own Database driven Website using PHP & My SQL" presents contens as: Content formatting with regular expressions; cookies, sessions, and access control; MySQL administration, advanced SQL queries, binary data. This book is your map to the twisty path that every beginner must navigate to learn PHP and MySQL today. Inviting you to refer.

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  • Content outline in this chapter: Goal of lexical analysis, regular languages, regular expression, formal languages, building a simple compiler, context free grammer (cfg), derivation, parse tree in detail. Inviting you to refer.

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  • The following will be discussed in this chapter: The role of lexical analyzer, lexical analysis vs parsing, recall, example, regular expressions, regular expressions – algebraic laws, alternative notations,... Inviting you to refer.

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  • This chapter includes contents: Regular expression of EVEN-EVEN language, Difference between a* + b* and (a+b)*, Equivalent regular expressions; sum, product and closure of regular expressions; regular languages, finite languages are regular, introduction to finite automaton, definition of FA, transition table, transition diagram.

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  • In this chapter you will learn: To create and manipulate immutable character string objects of class String, to create and manipulates mutable character string objects of class StringBuilder, to create and manipulate objects of class character, to use a StringTokenizer object to break a String object into tokens, to use regular expressions to validate string data entered into an application.

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  • The management of the Orion Corporation is looking at storing the details of their employees in a standardized format in their database. This will facilitate the process of contacting employees in case of an emergency. The CEO of the company and a team of experts have chosen your company to provide a solution for the same. Consider yourself to be a part of the team that implements the solution for designing the application. Create an application using regular expressions to implement the solution. ...

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  • It is shown that if a d-regular graph contains s vertices so that the distance between any pair is at least 4k, then its adjacency matrix has at least s eigenvalues which are at least 2pd − 1 cos(  2k ). A similar result has been proved by Friedman using more sophisticated tools.More generally, Serre has shown (see [3], [4] ) that for any fixed r and for any infinite family of d-regular graphs Gi, lim inf r(Gi) 2pd − 1. The same result has been proved by Friedman already in [5].

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  • The Zend PHP Certification Study Guide covers every topic that is part of the exam. It was developed by some of the very same authors who designed the exam’s questions and was thoroughly reviewed to ensure that it provides every bit of information required to cover each subject appropriately

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  • I'm sure you're familiar with the Chinese proverb "may you live in interesting times." Even though I rarely think of my professional life as dull and boring, the last month has been particularly exciting. As promised in my exit(0) column from last month's issue, if you look through the middle of the magazine you'll find a full report (in colour!) on the best conference I have ever attended—our very own php|cruise (forgive me for a bit of professional price—eight months of prep work will do that to you).

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  • All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval system, without the prior written permission of the copyright owner and the publisher.Trademarked names, logos, and images may appear in this book.

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  • Cùng nắm kiến thức trong giáo trình Lập trình Windows Phone (Module 1) thông qua việc tìm hiểu nội dung các bài sau: bài 1 nền tảng ngôn ngữ C#, bài 2 xử lý chuỗi trong C#, bài 3 mảng và collection trong C#, bài 4 xây dựng lớp–đối tượng, bài 5 kết thừa–đa hình, bài 6 lập trình windows phone, bài 7 xử lý biệt lệ exception, bài 8 cơ bản về LINQ, bài 9 regular expression (regex).

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