String functions: length, lc, uc, index, substr
Perl Introduction
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![Chopping substrings | Damian Conway [blogs.perl.org]](http://blogs.perl.org/users/damian_conway/binary-chop_regex_vs_substr.jpg "Chopping substrings | Damian Conway [blogs.perl.org]")
Chopping substrings | Damian Conway [blogs.perl.org]
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Regular Expression
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Perl | Searching in a File using regex - GeeksforGeeks
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Introduction to Perl 12/13/ Introduction to Perl - Strings, Truth and Regex Introduction to Perl Session 2 · manipulating. - ppt download
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