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Tag Archive for javaregex

Regex to validate an email

I am trying to understand a regex to validate an email and to my understanding, this regex should pass the following email (as it is supposed to do per an internal requirement). Can someone please help me understand where I am wrong?
regex: `

regular expression to remove matching pattern

I can find plenty of examples to remove duplicate characters, words, etc… However I have yet to find an example of removing duplicate patterns in a string. Is this possible using a regular expression?