The i Modifier Case Insensitivity : modifier « Regular Expression « Perl

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Perl » Regular Expression » modifier

The i Modifier Case Insensitivity

    



Format: s/search pattern/replacement string/i;



# Matching with the i option

while(<DATA>){

    print if /norma/i;     # Turn off case sensitivity

}

__DATA__

    Steve

    Jack

    Tom

    Norma

    James

    Jason

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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 x Modifier: The Expressive Modifier
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

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