Alternation

Length: 00:04:42

Lesson Summary:

Up until this point, we've focused on translating each part of our matches one at a time into the best general option, whether that be metacharacter or literal. But regular expressions are limited to one-to-one matches. Alternation allows us to provide regex options for what we want a token to match. In this lesson, we learn how to use the vertical bar (|) metacharacter to tell our regex engine when we want it to consider multiple matches.

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