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kotlin username regex

Apollo answered on September 7, 2022 Popularity 3/10 Helpfulness 4/10

answer kotlin username regex

kotlin username regex

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// use this function to check if the username is valid
fun userNameRegex(userName: String): Boolean {
    val regex = "^(?=.{4,20}\$)(?![_.])(?!.*[_.]{2})[a-zA-Z0-9._]+(?<![_.])\$"
    val pattern = Pattern.compile(regex)
    val matcher = pattern.matcher(userName)
    return matcher.matches()
}

Popularity 3/10 Helpfulness 4/10 Language kotlin

Source: Grepper

Tags: kotlin regex

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Contributed on Sep 07 2022

Apollo

0 Answers Avg Quality 2/10

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kotlin username regex

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