Code Examples for Programming in Scala

In file combinator-parsing/Arith.scala object ParseExpr extends Arith { def main( args: Array[String]) ... scala ParseExpr "2 * (3 + 7))" input: 2 * (3 + 7)) [1.12] failure: `-' expected but `)' found 2 * (3 + 7)) ^. 31.3 Basic regular expression parsers ...

Ruby/Справочник/Regexp — Викиучебник

1.1 Regexp::compile; 1.2 Regexp::escape; 1.3 Regexp::last_match; 1.4 Regexp:: new ... "cat" Regexp.last_match(1) #=> "a" Regexp.last_match(2) #=> nil ... Escapes any characters that would have special meaning in a regular expression .

regex - What does "\2" mean at the end of a regular... - Stack Overflow

I have the following assignment: Words of a song are in a file called stairway.txt. Which of the following lines will be printed out after this command: … I don't understand what does the \2 at the end mean?

MultiPass for HTTP basic authentication

Automatically login to Basic Authentication using data based on URL regexp. ... A green badge on MultiPass address bar icon means you were correctly ... the whole extension on faulty regex 0.8.2 - 22/11/2018 - Remove onAuthRequired hack ...

ECMAScript — Википедия

мультипарадигменный: объектно-ориентированное, обобщённое, функциональное, .... function foo() { var sum = 0; for (var i = 0; i < 42; i += 2) { var tmp = i + 2; sum += i * tmp; } ..... var literalWay = /pattern/flags; var objectWay = new RegExp(pattern, flags); ..... 13 Function Definition // ECMAScript Language Specification.

Regex Cheat Sheet

Использование регулярных выражений в Python для новичков

10 июн 2015 ... Вариант 2: вытащить два последовательных символа, .... Перевод статьи « Beginners Tutorial for Regular Expressions in Python».

regular expression - What does this regex mean? < ... -> - Unix...

PHP: preg_split - Manual

Пример #2 Разбиваем строку на составляющие символы ..... This means: in a regular expression with a single optional parenthesised sub-expression, the ...

Регулярные выражения | MDN

28 ноя 2018 ... Вызывая функцию конструктор объекта RegExp , например: .... Например, /a{ 2}/ не соответствует 'a' в "candy," но соответствует всем а ...

What does the regex "/\\*{2,}/" mean? - Stack Overflow

I'm kinda new to regex, and specifically, I don't understand there are 2 backslashes? I mean, I know the second one is to escape the character "*", but what does the first backslash do?

Groovy за 15 минут – краткий обзор / Хабр

18 июн 2011 ... 2) Groovy Strings, они же GStrings — в обычных кавычках .... setName("Account #2") println "${a.name}" class Person { def first def last // явно ...

What does $1, $2, etc. mean in Regular Expressions? - ExceptionsHub

Regular expression - Wikipedia

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

python - \2 mean in regular expression - Stack Overflow

As of my understanding \2 represents the contents of group 2. So, the expression r'(\w*)(\w)\2' should return the contents of group2( i.e \w)...

Regular Expression (Regex) Tutorial

RegExp | MDN

15 окт 2018 ... Конструктор RegExp создаёт объект регулярного выражения для ... 2. var regex2 = new RegExp('\\w+');. 3. ​. 4. console.log(regex1);. 5.

Элементы языка регулярных выражений — краткий справочник ...

29 мар 2017 ... Regular Expression Options. ..... сведения о встроенных параметрах и параметрах RegexOptions см. в статье Regular Expression Options.

What do () parenthesis and | pipe mean in RegExp? #2 REGEX...

This episodes shows the basics of how to use capture groups (), non-capture groups (?:) and alternation (|) in Regular Expressions in JavaScript. The editor...