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Some would say, i have 3 problems

private final static Pattern placeholder = Pattern.compile("#\\{(\\w+?)\\}");

won’t match “Mot#{ö}rhead” for example.

To replace the word character \w you either need the list of possible unicodeblocks like [\p{InLatin}|\p{InEtc}] (you get the codes for the blocks through “Character.UnicodeBlock.forName” or you’re lazy like me and just use the dot:

private final static Pattern placeholder = Pattern.compile("#\\{(.+?)\\}");

Oh what a day… :/

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Some would say, i have 3 problems private final static Pattern placeholder = Pattern.compile("#\\{(\\w+?)\\}"); won’t match “Mot#{ö}rhead” for example. To replace the word character \w you either need the list...