Assertions In Regex | Regex Tutorial

Опубликовано: 29 Сентябрь 2024
на канале: Knowledge Thrusters
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In this regex tutorial, you will be able to learn assertions in Regular Expressions regex.
Regular expressions are patterns used to match character combinations in strings.
Assertions include boundaries, which indicate the beginnings and endings of lines and words, and other patterns indicating in some way that a match is possible (including look-ahead, look-behind, and conditional expressions).

Assertions
Character classes
Groups and backreferences
Quantifiers

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Timings:
00:00 - Introduction
00:30 - Assertions
01:25 - Example of assertions in regex
01:30 - Basics of regex
02:45 - caret (^) and dollar ($) in regex
06:00 - \b in regex
06:40 - \B in regex
07:25 - Lookahead assertions x(?=y)
07:55 - Negative Lookahead assertions x(?!y)
08:30 - Lookbehind assertions (?lessthan=y)x
09:00 - Negative Lookbehind assertions (?lessthan!y)x
09:30 - Quiz

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