grep - What does \? mean in a regular expression? - Unix & Linux...

The following command is used to search for a 7-digit phone number: … What does \? stand for?

Вычисления - LibreOffice Help

18 июн 2016 ... (question mark) matches any single character; * (asterisk) matches any sequence ... (tilde) escapes the special meaning of a question mark, asterisk or tilde ... Specifies that regular expressions instead of simple wildcards are ...

What is question mark in regular expression? - Quora

POD2::RU::perlre - metacpan.org

24 мар 2015 ... См. ""Using regular expressions in Perl" (Использоывание регулярных ..... you should get in the habit of escaping all instances where you mean a literal "{".) ..... The character after the question mark indicates the extension.

Логические операторы | MDN

22 апр 2016 ... Логические операторы используются, как правило, с примитивами Boolean ( логического) типа. В этом случае результатом работы ...

Base64 — Википедия

Base64 — стандарт кодирования двоичных данных при помощи только 64 символов ASCII. .... Text document with red question mark.svg. В этой статье ...

Рекомендации по использованию регулярных выражений в .NET ...

29 мар 2017 ... Узнайте, как создавать эффективные регулярные выражения в .NET.

Meaning of question mark and x in a regex group | Regex

Question mark Regex (in emacs) - codesd.com

regex - Question marks in regular expressions - Stack Overflow

I'm reading the regular expressions reference and I'm thinking about ? and ?? characters. Could you explain me with some examples their usefulness? I don't understand them enough. thank you …

Question mark in regular expressions, what does it do? [duplicate]

Question marks in regular expressions - dskims.com

грамматика - Я понимаю / Мне понятно - Russian Language Stack ...

"Мне понятно" is a neutral impersonal sentence that basically means 'it is clear to me that...' ('A clear picture of the subject is present in my ...

Regex Tutorial - The Question Mark Makes the Preceding Token...

regex - Question mark in regular expressions... - Stack Overflow

I am going over a regular expressions tutorial, for ? it says "Makes the preceding token optional. It will match 0 or 1 of the preceding token." What does it mean, can someone please give an example.

Справка:CirrusSearch - MediaWiki

5 дек 2018 ... These include Did you mean (spelling correction), and, when no results would ... The escaped question mark \? stands for one character and the star .... Regex scan all the textual characters in a given list of pages; they don't ...

Perl cheatsheet

What does a question mark followed by a colon (?:) mean? Регулярные .... keys %replace; $regex = qr/$regex/; $something =~ s/($regex)/$replace{$1}/g;.

Regex: Question mark and colon - W3Cgeek

PHP: Новая функциональность - Manual

Можно определить константу типа array с помощью функции define(). В PHP 5.6 такие константы можно было задавать только с помощью const.

PHP: preg_split - Manual

This regular expression will split a long string of words into an array of sub-strings , ..... is made optional by a following question mark (ex: '/abc (optional subregex)? ... This means it's possible to have a result with an unpredictable number of ...