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Task/Substring/Lasso/substring.lasso

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+local(str = 'The quick grey rhino jumped over the lazy green fox.')
+
+//starting from n characters in and of m length;
+#str->substring(16,5) //rhino
+
+//starting from n characters in, up to the end of the string
+#str->substring(16) //rhino jumped over the lazy green fox.
+
+//whole string minus last character
+#str->substring(1,#str->size - 1) //The quick grey rhino jumped over the lazy green fox
+
+//starting from a known character within the string and of m length;
+#str->substring(#str->find('g'),10) //grey rhino
+
+//starting from a known substring within the string and of m length
+#str->substring(#str->find('rhino'),12) //rhino jumped