Happy New Year to you!
Having come across an entertaining puzzle on the topic of regular expressions, of course, I could not pass by:
regex.alf.nu
In honor of the upcoming New Year, I scored 2014 points in it. Who is bigger?
')
regex.alf.nu
In honor of the upcoming New Year, I scored 2014 points in it. Who is bigger?
')
My answer choices
Plain strings
Anchors
Ranges
Backrefs
Abba
A man, a plan
Prime
Four
Order
Triples
Glob
Balance
Power
^(.*oo[^k])|foo$ Anchors
.+ick$ Ranges
^[af]{2,}[^m]$ Backrefs
(\w{3}).*\1.* Abba
^(?!.*?(\w)\1).*$|ef A man, a plan
^(\w)(\w).*\2\1$ Prime
^x(xx+?)\1+$ Four
(\w).*\1.*\1.*\1 Order
^[^o].{1,5}$ Triples
00 Glob
\*(\w+).+\S\1|(\w+)\*.+\1 Balance
((<)\2)\1 Power
^((((((((((x)\10?)\9?)\8?)\7?)\6?)\5?)\4?)\3?)\2?)\1?$ Source: https://habr.com/ru/post/206858/
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