[#bsl-basic_string-0faf-compare-0d]
= xref:bsl.adoc[bsl]::xref:bsl/basic_string-0faf.adoc[basic_string]::compare
:relfileprefix: ../../
:mrdocs:

Lexicographically compare the substring of this string of the specified `numChars` length starting at the specified `position` (or the suffix of this string starting at `position` if `position + numChars > length()`) with the specified `other`, and return a negative value if the indicated substring of this string is less than `other`, a positive value if it is greater than `other`, and 0 in case of equality. `CHAR_TRAITS::lt` is used to compare characters. See {Lexicographical Comparisons}. Throw `out_of_range` if `position > length()`.

== Synopsis

Declared in `<bslstl_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class STRING_VIEW_LIKE_TYPE>
int
compare(
    xref:bsl/basic_string-0faf/size_type.adoc[size_type] position,
    xref:bsl/basic_string-0faf/size_type.adoc[size_type] numChars,
    STRING_VIEW_LIKE_TYPE const& other) const;
----


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