Perl search string：Perl Text Patterns for Search and Replace
Perl Text Patterns for Search and Replace
InPerl,youcanusethem//operatortotestifaregexcanmatchastring,e.g.:if($string=~m/regex/)print'match';}elseprint'nomatch';}.。其他文章還包含有：「perlrequick」、「perl」、「searchaspecificsubstringpatterninastringusingperl」、「Perl」、「精簡扼要的Perl課程講義（六）：常規表達式（Regular...」、「PERL」、「howtosearchforastringinaparticularfile?」、「Perl(Scripting)」、「Perlsubstring」
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perlrequick
https://perldoc.perl.org
This page covers the very basics of understanding, creating and using regular expressions ('regexes') in Perl.
perl
https://stackoverflow.com
To find out if a string contains substring you can use the index function: if (index($str, $substr) != -1) print $str contains $substr-n; }
search a specific sub string pattern in a string using perl
https://stackoverflow.com
The index function searches for one string within another, but without the wildcard-like behavior of a full regular-expression pattern match.
Perl
https://www.geeksforgeeks.org
Regular Expression (Regex or Regexp or RE) in Perl is a special text string for describing a search pattern within a given text.
精簡扼要的Perl 課程講義（六）：常規表達式（Regular ...
https://blog.gtwang.org
常規表達式（一）. # 常規表達式(一) (Regular expression) # (1) 基本樣式比對=~ 與!~ # 比對字串，成功傳回true # 失敗傳回false Hello World ...
PERL
http://www.cs.cmu.edu
Searches a string for a pattern match, and returns true (1) or false (''). If no string is specified via the =~ or !~ operator, the $_ string is searched.
how to search for a string in a particular file?
https://www.perlmonks.org
Read the data from the file into a string variable; Search in the variable for the particular string. Depending on the size of the file, and of ...
Perl (Scripting)
https://www.freekb.net
The built in Perl operator =~ is used to determine if a string contains a string, like this. if (foo =~ /f/) print 'foo' contains the letter 'f' -n; }
Perl substring
https://alvinalexander.com
The Perl index function works by starting at the beginning of the string, and searching until it gets to the end of the string.