7 lines
438 B
Markdown
7 lines
438 B
Markdown
# Regular expressions
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Regular expressions is a powerful way of doing search and replace in strings.
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In JavaScript regular expressions are implemented using objects of a built-in `RegExp` class and integrated with strings.
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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.
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