Who know java well? I want to ask how to find a repeated word from a file using java, who can give me the code? Thank you!Asked Sep, 01 2010
\\w matches any word character (letter, digit, or underscore) and the
\\1+ matches whatever was in the first set of parentheses, one or more times. So you wind up matching any occurrence of a word character, followed immediately by one or more of the same word character again.
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