The x Modifier: The Expressive Modifier : modifier « Regular Expression « Perl






The x Modifier: The Expressive Modifier

    

#The x modifier allows you to place comments within the regular expression


$_="A to B\n";
/A  # Searching for A /x;
print "Comments and spaces were removed and \$& is $&\n";

   
    
    
    
  








Related examples in the same category

1.The e Modifier Evaluating an Expression
2.The e modifier
3.The g Modifier Global Substitution
4.The m Operator and Matching
5.The m modifier controls the behavior of the $ and ^ anchor metacharacters.
6.The s Modifier-The Dot Metacharacter and the Newline
7.The s Operator and Substitution
8.The s operator supports a number of variables
9.The i Modifier Case Insensitivity
10.\B matches only if the pattern is contained in a word.
11.The \s metasymbol and whitespace
12.ei modifier
13.Use /gc to remember position
14.Use \G to match rest of text
15.The \S metasymbol and nonwhitespace
16.Matching Modifiers
17.Inline Modifiers