Using variables containing matched subpatterns. : Pattern matching « Regular Expression « Perl

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Perl » Regular Expression » Pattern matching

Using variables containing matched subpatterns.


    

#!/usr/local/bin/perl 



while (<>) { 

    while (/(-?\d+)\.(\d+)([eE][+-]?\d+)?/g) { 

        print ("integer part $1, decimal part $2"); 

        if ($3 ne "") { 

            print (", exponent $3"); 

        } 

        print ("\n"); 

    } 

}

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