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Regular Expression Details

Title Test Find 2-7 character palindrome words
Expression
(\w)(\w)?(\w)?\w?(?(3)\3)(?(2)\2)\1
Description
Matches any palindromic word of between 2 and 7 characters length. Best to use without case-sensitivity as "Noon" would not match otherwise because of the capitalisation.
Matches
aa | did | peep | minim | hallah | racecar
Non-Matches
a | Anna | detartrated
Author Rating: Not yet rated. Michael Dumas
Source
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