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search, replace and backrefrences

by Helter (Chaplain)
on Sep 30, 2002 at 15:13 UTC ( #201734=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
    __msr2f6:       data8 0b00000000000000000000000000_1_0_000000000000001
    +0101_00000000000000000
    
  2. or download this
    $line =~ s/^(__msr2f6:\s+data8 0b[01]+_)[01]_[01](_[01]+_[01]+)/$10_0$
    +2/;
    
  3. or download this
    Use of uninitialized value in concatenation (.) at myscript.pl line 33
    +, <FILE> line 915.
    
  4. or download this
    $line =~ s/^(__msr2f6:\s+data8 0b[01]+)_[01]_[01]_([01]+_[01]+)/$1_0_0
    +_$2/;
    
  5. or download this
    
    $line =~ s/^(__msr2f6:\s+data8 0b[01]+_)[01]_[01](_[01]+_[01]+)/$1."0_
    +0".$2/e;
    

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