freeCodeCamp Check for All or None, Regex Pattern Tutorials 2021 VIDEO
In this lesson from our freeCodeCamp walkthrough, we take a look at checking the text for all or none patters. These are useful when we want to target words that are spelled in multiple ways. An example is given using the word "color" (the American version) and "colour" (the British version). Instead of creating the regular expressions for both words, we can use a single regex to find both "color" and "colour" by using the regular expression /colou?r/ to specify that the letter "u" is optional when searching text.https://BelieveRationally.com/Shop https://wewillcode.com https://ananomyx.com https://valeryedoesresin.com
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