Clustering and anchors : Anchors « Regular Expression « Perl

1. Perl
2. Regular Expression
3. Anchors

Clustering and anchors

    

while(<DATA>){
    # print if /^A|B/;
    print if /^(S|B)/;
}
__DATA__
    S B
    B B
    A C
    N C
    J D
    K E

   
    
    
    
  

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