Pattern-Matching Operators(The syntax used to perform a pattern match on a string) : Pattern matching « Regular Expression « Perl

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Perl » Regular Expression » Pattern matching

Pattern-Matching Operators(The syntax used to perform a pattern match on a string)


    



# The syntax used to perform a pattern match on a string is $string =~ /regular expression/expression modifier (optional)   



    

    #!/usr/local/bin/perl -w    

        

    while (<STDIN>)     

    {   

       print if ($_ =~ /the/);  

    }

Related examples in the same category

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10.	Regular Expression Patterns
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12.	Regular expression metacharacters
13.	Regular expression modifiers
14.	Regular expression pattern quantifiers
15.	Regular expression: start a string with period
16.	Reversing subpatterns
17.	Repeating patterns
18.	Check for 'a'
19.	Check for 4-8 a's
20.	Check for a or b
21.	Check for and remove a trailing backslash character
22.	Check for leading alpha character, rest alphanumeric
23.	Check for no 'a'
24.	Check for white space
25.	A program that illustrates the use of the matching operator.
26.	/d.f/ matches d, followed by any non-newline character, followed by f
27.	/de{1,3}f/ matches d, followed by one, two, or three occurrences of e, followed by f.
28.	Print line unless it matches E
29.	Count the match times

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