Regex to replace consecutive characters in a string in Java [duplicate]
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What is the meaning of this regex given in this expression?
s = s.replaceAll("(.)\1", "");
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Check this out: https://www.regular-expressions.info/backref.html
It appears from the title of your post and the information above that this will replace repeated characters with an empty String. The 1 in the regex looks for repeated characters and the first group in the regex (.) looks for any character.
