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Fixes a typo in README.md

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Mo 2021-03-16 19:03:24 +01:00 committed by GitHub
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@ -419,7 +419,7 @@ regular expressions:
Lookbehinds and lookaheads (also called lookarounds) are specific types of
***non-capturing groups*** (used to match a pattern but without including it in the matching
list). Lookarounds are used when we a pattern must be
list). Lookarounds are used when a pattern must be
preceded or followed by another pattern. For example, imagine we want to get all
numbers that are preceded by the `$` character from the string
`$4.44 and $10.88`. We will use the following regular expression `(?<=\$)[0-9\.]*`