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Regex: moved and deleted content from the "Patterns and flags".

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1. Moved some content that was not pertinent.
2. Deleted a repetition.

Closes 962.
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luc4leone 2019-05-06 20:18:33 +02:00
parent ed86221c7f
commit 9e598e5ba2
2 changed files with 4 additions and 8 deletions
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9-regular-expressions/01-regexp-introduction/article.md
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# Patterns and flags
Regular expressions is a powerful way of searching and replacing inside a string.
In JavaScript regular expressions are implemented using objects of a built-in `RegExp` class and integrated with strings.
Please note that regular expressions vary between programming languages. In this tutorial we concentrate on JavaScript. Of course there's a lot in common, but they are a somewhat different in Perl, Ruby, PHP etc.
## Regular expressions
A regular expression (also "regexp", or just "reg") consists of a *pattern* and optional *flags*.
There are two syntaxes to create a regular expression object.

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9-regular-expressions/index.md
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# Regular expressions
Regular expressions is a powerful way of doing search and replace in strings.
In JavaScript regular expressions are implemented using objects of a built-in `RegExp` class and integrated with strings.
Please note that regular expressions vary between programming languages. In this tutorial we concentrate on JavaScript. Of course there's a lot in common, but they are a somewhat different in Perl, Ruby, PHP etc.