The \s metasymbol and whitespace : modifier « Regular Expression « Perl






The \s metasymbol and whitespace

    
while(<DATA>){
    print if s/\s/*/g; # Substitute all spaces with stars
}
__DATA__
    A 101
    A A A

   
    
    
    
  








Related examples in the same category

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3.The g Modifier Global Substitution
4.The m Operator and Matching
5.The m modifier controls the behavior of the $ and ^ anchor metacharacters.
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7.The s Operator and Substitution
8.The s operator supports a number of variables
9.The x Modifier: The Expressive Modifier
10.The i Modifier Case Insensitivity
11.\B matches only if the pattern is contained in a word.
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