9.5. Additional string Operations
The string type provides a number of additional operations beyond those common to the sequential containers. For the most part, these additional operations either support the close interaction between the string class and C-style character arrays, or they add versions that let us use indices in place of iterators.
The string library defines a great number of functions. Fortunately, these functions use repeated patterns. Given the number of functions supported, this section can be mind-numbing on first reading; so readers might want to skim it. Once you know what kinds of operations are available, you can return for the details when you need to use a particular operation.
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