I agree with what ELISHEVA says, and add that unless your XML/HTML is extremely trivial it will be much less effort to learn the appropriate modules than it will be to write robust regular expressions. It is easy to start writing the regular expressions but parsing XML and HTML is much more complex than it first appears and regular expressions are not up to the task.

In reply to Re^3: Help regarding regular expression by ig
in thread Help regarding regular expression by chavanak

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