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<ref name="substr6">''<code>numChars</code>'' can '''not''' be negative, use ''* - numChars'' to indicate to end that number of places before the end of the string.</ref>
}}
==External links==
{{External links|date=August 2013}}
*[http://perldoc.perl.org/index-functions-by-cat.html#Functions-for-SCALARs-or-strings Perl String Functions]
*[https://docs.python.org/2/library/stdtypes.html#string-methods Python 2 String Methods]
*[https://docs.python.org/3.3/library/stdtypes.html#string-methods Python 3 String Methods]
*[http://srfi.schemers.org/srfi-13/srfi-13.html Scheme String Procedures]
*[http://www.erlang.org/doc/man/string.html Erlang String Functions]
*[http://msdn2.microsoft.com/en-us/library/system.string.aspx .NET String Methods and Properties]
*[http://www.ruby-doc.org/core-1.8.7/classes/String.html Ruby String Class]
*[http://www.php.net/manual/en/ref.strings.php PHP String functions]
*{{javadoc:SE|java/lang|String|package=java.lang}} members
*[http://haskell.org/ghc/docs/latest/html/libraries/ Haskell Hierarchical Libraries]
*[http://dlang.org/arrays.html Arrays in D (in D strings are regular arrays)]
*[http://www.digitalmars.com/d/2.0/phobos/std_string.html std.string from Phobos (D standard library)]
*[http://www.lua.org/manual/5.1/manual.html#5.4 Lua String Functions]
*[http://caml.inria.fr/pub/docs/manual-ocaml/libref/String.html OCaml String module]
*[http://cl-cookbook.sourceforge.net/strings.html Common Lisp String manipulation]
*[http://www.freebasic.net/wiki/wikka.php?wakka=CatPgString FreeBASIC String Functions]
*[http://reference.wolfram.com/mathematica/guide/StringManipulation.html Reference.wolfram.com]
*[http://www.tcl.tk/man/tcl/TclCmd/string.htm Tcl reference for string commands]
*[https://programming-review.com/python/strings Frequent Python String operations]
[[Category:Programming language comparisons|*String functions]]
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