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replace

fun replace(input: CharSequence, replacement: String): String

Replaces all occurrences of this regular expression in the specified input string with specified replacement expression.

Parameters

replacement - A replacement expression that can include substitutions. See Matcher.appendReplacement for details.

fun replace(
    input: CharSequence, 
    transform: (MatchResult) -> CharSequence
): String

Replaces all occurrences of this regular expression in the specified input string with the result of the given function transform that takes MatchResult and returns a string to be used as a replacement for that match.

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/-regex/replace.html