php - preg_replace to delete something in a special string -

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hi tried delete in string. don't know ho make it.

my string: @trash='test1',value1='test2',@trash='test3',value2='test4'

i want delete @trash example = @trash='test1',. perhaps important is, of course value in example above "test1" allways changing.

try following codes

echo preg_replace("/@trash='(.*?)',/", "", $string);

output

value1='test2',value2='test4'

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