ei modifier : modifier « Regular Expression « Perl
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Perl
»
Regular Expression
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modifier
ei modifier
$_ =
"knock knock, who is there.\n"
;
s/knock/"knock,
" x 2 . "
knocking
"/ei;
print "
He
's
$_;
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 x Modifier: The Expressive Modifier
10.
The i Modifier Case Insensitivity
11.
\B matches only if the pattern is contained in a word.
12.
The \s metasymbol and whitespace
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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