The phone number exercise assumes that what you know about phone numbers is that it is "three digits, a dash, and four digits." This is not true in all parts of the world. Consider adapting this exercise to be more globally inclusive.
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Relatedly, the intro section suggests a possible use of regexes is to remove parentheses around a phone number's area code. This also may not be meaningful to a global audience.
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The phone number exercise assumes that what you know about phone numbers is that it is "three digits, a dash, and four digits." This is not true in all parts of the world. Consider adapting this exercise to be more globally inclusive.
Which part of the content does your suggestion apply to?
No response