[Solved] I have a Java homework problem that I cannot seem to figure out. Using regular expression and/or API classes like Pattern, Matcher is not allowed [closed]

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I have a Java homework problem that I cannot seem to figure out. Using regular expression and/or API classes like Pattern, Matcher is not allowed [closed]

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solved I have a Java homework problem that I cannot seem to figure out. Using regular expression and/or API classes like Pattern, Matcher is not allowed [closed]