Regular expression - Wikipedia

A regular expression, regex or regexp (sometimes called a rational expression) is a sequence of characters that define a search pattern.

Regular Expressions

Regular Expressions: A Brief Tutorial | Meaning inside character class

Проект OpenNet: MAN regex (1) Команды и прикладные ...

regex (1) ( Solaris man: Команды и прикладные программы ... In a form, to translate an environment variable which contains one of the numbers 1, 2, 3, 4, 5 to the letters a, b, c, ... This expression, by itself, could be put in a menu definition file.

6 пунктов, которые помогут легко разобраться с regexp

26 дек 2017 ... Словосочетание “regular expression” применяется не так широко, .... Но если мы применим регулярное выражение ^b к той же строке, ...

Regular Expression Language - Quick Reference | Microsoft Docs

Объектная модель регулярных выражений | Microsoft Docs

29 мар 2017 ... string pattern = @"\b(\w+)\W+(\1)\b"; Match match = Regex. .... new List(); // Create a new Regex object and define the regular expression.

PHP 5.6 и PHP 7 на русском: Функции регулярных выражений ...

if you are looking for the abbreviations like tab, carriage return, regex-class ... \b backspace ... character in the entire expression, it means "start of line".

Ruby/Справочник/Regexp — Викиучебник

Escapes any characters that would have special meaning in a regular expression . Returns a new escaped string, or self if no characters are escaped. For any ...

Finding alphanumeric in R - Stack Overflow

7 окт 2017 ... Using stringr , you can use str_extract_all with this regex x = "nНозологические ... Note that the "B" is not the standard ascii "B". I copied and ...

check expression - Русский перевод – Словарь Linguee

Примеры перевода, содержащие „check expression“ – Русско-английский ... The Answer2 regular expression above means: check whether the character ...

ios - Difference between \b and \s in Regular Expression

I was learning regular expression in iOS, saw this tutorial:http://www.raywenderlich.com/30288/nsregularexpression-tutorial-and-cheat-sheet It reads like...

- perlrebackslash - Бэкслеш и Эскейп последовательности в ...

17 дек 2017 ... Otherwise if you had a regex qr/$a$b/ , and $a contained "\g1" , and $b contained "37" , you .... can mean a named or numbered character .

Регулярные выражения - JavaScript | MDN

28 ноя 2018 ... Добавляя слэш перед b, т.е используя /\b/ , символ становится .... Note: JavaScript's regular expression engine defines a specific set of ...

Regular Expressions - CSE330 Wiki

Is this string a phone number? Is it an e-mail address? Is it a URL? How do I parse the time of day out of this date string? How do I find all words in the string that contain the letter "a"? The tool we use to answer these questions is regular expressions.

regex - Meaning of \b in .Net Regular Expressions - Super User

Microsoft has a nifty quick reference card for .Net Regular Expressions. But it seems to list \b as both matching Backspace and also matching "On word boundary". Which is it? Can \b really do both?

Regex Tutorial - \b Word Boundaries

PHP: preg_split - Manual

This regular expression will split a long string of words into an array of sub-strings , of some maximum length, but only ... $string='a:b:c\:d'; ..... This means it's possible to have a result with an unpredictable number of delimiters in the result array.

Basics - Regular Expressions Tutorial