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






  1. Perl
  2. Regular Expression
  3. 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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