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en.javascript.info/9-regular-expressions/index.md
luc4leone 9e598e5ba2 Regex: moved and deleted content from the "Patterns and flags". 
1. Moved some content that was not pertinent.
2. Deleted a repetition.

Closes 962.
2019-05-06 20:18:33 +02:00

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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.