replace capturing group
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by Don
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Published on 2010-05-27T12:50:52Z
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2010/05/27
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Hi,
If I have a regex with a capturing group, e.g. foo(_+f)
. If I match this against a string and want to replace the first capturing group in all matches with baz
so that
foo___f blah foo________f
is converted to:
foobaz blah foobaz
There doesn't appear to be any easy way to do this using the standard libraries. If I use Matcher.replaceAll() this will replace all matches of the entire pattern and convert the string to
baz blah baz
Obviously I can just iterate through the matches, store the start and end index of each capturing group, then go back and replace them, but is there an easier way?
Thanks, Don
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