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string - Is there a Java function which parses escaped characters?

I'm looking for a built-in Java functions which for example can convert "\n" into " ".

Something like this:

assert parseFunc("\n") = "
"

Or do I have to manually search-and-replace all the escaped characters?

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You can use StringEscapeUtils.unescapeJava(s) from Apache Commons Lang. It works for all escape sequences, including Unicode characters (i.e. u1234).

https://commons.apache.org/lang/apidocs/org/apache/commons/lang3/StringEscapeUtils.html#unescapeJava-java.lang.String-


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