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This article is about how js uses regular subexpressions to match words with the same first and last letters. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

/ / example of subexpression: find the word function T1 () {var con = document.getElementsByName ('content') [0] .value; var reg = /\ b (\ w)\ W*\ 1\ bUnigram; alert (con.match (reg));}

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