php - using regex to separate string in groups -


i want parse string this: 

[np amanda brumfield],[np estranged daughter][pp of][np actor billy bob thornton],[vp found][adjp guilty][pp of][vp aggravated][np manslaughter][pp of][np child]

and in case recognise these groups:

[np amanda brumfield][np estranged daughter][pp of][np actor billy bob thornton] , [adjp guilty][pp of] , [np manslaughter][pp of][np child]

in other words, should use string [vp \w+] split string.

how write regex that?

@casimir et hippolyte mentions using preg_split(), correct. following split given input way requesting:

$parts = preg_split('/\[vp\s+(?:[^\]])+\]/', $input);

that pattern should allow pretty after initial vp , 1 or more spaces prior closing ]. php should fine non-capturing parens well.


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