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Regex Pattern to Match, Excluding when… / Except between
--Edit-- The current answers have some useful ideas but I want something more complete that I can 100% understand and reuse; that's why I set a bounty. Also ideas that work everywhere are better for me than not standard syntax like \K
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Validating IPv4 addresses with regexp
I've been trying to get an efficient regex for IPv4 validation, but without much luck. It seemed at one point I had had it with (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results:
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How to insert an item into an array at a specific index (JavaScript)?
I am looking for a JavaScript array insert method, in the style of:
19 Answers
19
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Arduino101（Genuino 101）&App Inventor – RGB LED控制 - 创客硬件开...
繁体中文原文：https://blog.cavedu.com/2017/02/ ... %e6%8e%a7%e5%88%b6/
本文將介紹如何取得觸碰點的 RGB 參數之後透過 BLE 送給 Arduino 101 來點亮 RGB LED。
App InventorDesigner使用 Canvas 來取得觸碰點座標。兩個連線斷線用的按鈕：Btn_Connect /&n...
How do .gitignore exclusion rules actually work?
I'm trying to solve a gitignore problem on a large directory structure, but to simplify my question I have reduced it to the following.
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PHPUnit: assert two arrays are equal, but order of elements not important
What is a good way to assert that two arrays of objects are equal, when the order of the elements in the array is unimportant, or even subject to change?
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How to overload functions in javascript?
Classical (non-js) approach to overloading:
13 Answers
13
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How to move all files including hidden files into parent directory via *
Its must be a popular question but I could not find an answer.
7 Answers
7
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Is Java RegEx case-insensitive?
In Java, when doing a replaceAll to look for a regex pattern like:
5 Answers
5
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Get content of a cell given the row and column numbers
I want to get the content of a cell given its row and column number. The row and column number are stored in cells (here B1,B2). I know the following solutions work, but they feel a bit hacky.
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