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Re^2: Precise backreference semantics in Perl regular expressions

by tybalt89 (Monsignor)
on Nov 10, 2023 at 04:13 UTC ( [id://11155536]=note: print w/replies, xml ) Need Help??

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  1. or download this
    #!/usr/bin/perl
    
    ...
    This is perl 5, version 38, subversion 0 (v5.38.0) built for x86_64-li
    +nux-thread-multi
    
    END
    
  2. or download this
    aabadcaa
    (?^:^((a*)b|a*b?d)*c\2$)
    ...
    No
    
    This is perl 5, version 38, subversion 0 (v5.38.0) built for x86_64-li
    +nux-thread-multi
    

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