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  1. $_ = 'url?a=1&name=test&id=2';
  2. s/^([^&]*)(&[^&]+)(&.*)$/$1&newname=againtest$3/;
  3. print $_;
Success #stdin #stdout 0s 4596KB
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Standard input is empty
stdout
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url?a=1&newname=againtest&id=2
https://ideone.com/OMqE4
language:
Perl (perl 5.28.1)
created:
13 years ago
visibility:
public

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