I need to match any character that's repeated twice, for example:
"abccdeff"
Should match "cc" and "ff". In any other regex syntax, let's use Javascript as a quick example, I could do:
var str = "abccdeff";
var r = /([a-z]{1})\1/g
console.log(str.match(r))
Which returns
[ 'cc', 'ff' ]
But Go's regexp doesn't seem to allow that. Is it possible to do this in Go?
Since backreference is not supported by re2 , you would need:
glenn-brown/golang-pkg-pcre
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