Boost C++ Libraries

Find the first occurrence of any of the characters within the string.

template<
    typename T>
constexpr size_type
find_first_of(
    const T& t,
    size_type pos = 0) const;
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template<
    std::size_t M>
constexpr size_type
find_first_of(
    const basic_static_string< M, CharT, Traits >& str,
    size_type pos = 0) const;
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constexpr size_type
find_first_of(
    const_pointer s,
    size_type pos,
    size_type n) const;
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constexpr size_type
find_first_of(
    const_pointer s,
    size_type pos = 0) const;
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Find the first occurrence of a character within the string.

constexpr size_type
find_first_of(
    value_type c,
    size_type pos = 0) const;
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