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Task/Substring/Lingo/substring.lingo

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+str = "The quick brown fox jumps over the lazy dog"
+
+-- starting from n characters in and of m length
+n = 5
+m = 11
+put str.char[n..n+m-1]
+-- "quick brown"
+
+-- starting from n characters in, up to the end of the string
+n = 11
+put str.char[n..str.length]
+-- "brown fox jumps over the lazy dog"
+
+-- whole string minus last character
+put str.char[1..str.length-1]
+-- "The quick brown fox jumps over the lazy do"
+
+-- starting from a known character within the string and of m length
+c = "x"
+m = 7
+pos = offset(c, str)
+put str.char[pos..pos+m-1]
+-- "x jumps"
+
+-- starting from a known substring within the string and of m length
+sub = "fox"
+m = 9
+pos = offset(sub, str)
+put str.char[pos..pos+m-1]
+-- "fox jumps"