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functionregexVar(str){// ^ => first item matches:// () => stores matching value captured within// [aeiou] => matches any of the characters in the brackets// . => matches any character:// + => for 1 or more occurrances (this ensures str length > 3)// \1 => matches to previously stored match. // \2 looks for matched item stored 2 instances ago // \3 looks for matched item stored 3 ago, etc// $ ensures that matched item is at end of the sequenceletre=/^([aeiou]).+\1$/;returnre;}
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Day 7: Regular Expressions I
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