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extract substring using regex in groovy

If I have the following pattern in some text:

def articleContent =  "<![CDATA[ Hellow World ]]>"

I would like to extract the "Hellow World" part, so I use the following code to match it:

def contentRegex = "<![CDATA[ /(.)*/ ]]>"
def contentMatcher = ( articleContent =~ contentRegex )
println contentMatcher[0]

However I keep getting a null pointer exception because the regex doesn't seem to be working, what would be the correct regex for "any peace of text", and how to collect it from a string?

question from:https://stackoverflow.com/questions/17536921/extract-substring-using-regex-in-groovy

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1 Answer

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by (71.8m points)

Try:

def result = (articleContent =~ /<![CDATA[(.+)]]>/)[ 0 ]?[ 1 ]

However I worry that you are planning to parse xml with regular expressions. If this cdata is part of a larger valid xml document, better to use an xml parser


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