Removes a substring from a string; only span specifications are accepted
StringDrop["string", n]
StringDrop["string", - n]
StringDrop["string", {n}]
StringDrop["string", {m, n}]
StringDrop[{s1, s2, …}, spec]
StringDrop["Hello World!", 6]
→ World!StringDrop["abcde", {}]
→ abcdeStringDrop["abcde", {1, 2, 3, 4}]
→
StringDrop::seqs: Sequence specification (+n, -n, {+n}, {-n}, {m, n} or {m, n, s}) expected at position 2 in StringDrop[abcde, {1, 2, 3, 4}].
StringDrop[abcde, {1, 2, 3, 4}]