It appears to be missing at least .whitespace(), and the online tool would be much better with auto-complete.
BTW, if anyone struggles to learn common-case RegEx they way I learned RegEx, after thinking I would never be able to learn RegEx, is to use an IDE or Editor that uses RegEx for search and then force yourself to always search by RegEx when applicable.
After doing that I one day realized that I could write working RegEx on the first try, much like how you notice you no longer have a headache.
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It appears to be missing at least
.whitespace(), and the online tool would be much better with auto-complete.BTW, if anyone struggles to learn common-case RegEx they way I learned RegEx, after thinking I would never be able to learn RegEx, is to use an IDE or Editor that uses RegEx for search and then force yourself to always search by RegEx when applicable.
After doing that I one day realized that I could write working RegEx on the first try, much like how you notice you no longer have a headache.