I want to replace all spaces within square brackets to underscore. I was wondering how to do it. I tried: s.replaceAll("\[(\s*)\]","_"); but it doesn't replace the spaces.
Can anyone assist?
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`.replaceAll("\\s(?=[^\\[\\]]*])","_");` – Wiktor Stribiżew Jan 17 '21 at 12:12
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2`String replaced = Pattern.compile("\\[.*?\\]").matcher("a b [c d e] f g").replaceAll(match -> match.group().replace(' ', '_'));` – Pshemo Jan 17 '21 at 12:15
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1Or, `replaceAll("(\\G(?!^)|\\[(?=[^\\]\\[]*]))([^\\]\\[\\s]*)\\s", "$1$2_")` ([demo](https://regex101.com/r/vWRcQM/2)). – Wiktor Stribiżew Jan 17 '21 at 12:18
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thank you all. you really helped. the links they specified as similar aren't similar at all. what makes them think it is relevant? – Denis beiteel Jan 17 '21 at 13:18