Method ExtString.Eq(+ 8 overloads)

Overload

Compares this and other string. Returns true if equal.

public static bool Eq(this string t, string s, bool ignoreCase = false)
Parameters
t  (string)

This string. Can be null.
s  (string)

Other string. Can be null.
ignoreCase  (bool)

Case-insensitive.
Returns
bool

Remarks

Uses ordinal comparison (does not depend on current culture/locale).

See Also

Overload(next)

Compares this strings with multiple strings. Returns 1-based index of the matching string, or 0 if none.

public static int Eq(this string t, bool ignoreCase, params ReadOnlySpan<string> strings)
Parameters
t  (string)

This string. Can be null.
ignoreCase  (bool)

Case-insensitive.
strings  (ReadOnlySpan<string>)

Other strings. Strings can be null.
Returns
int

Remarks

Uses ordinal comparison (does not depend on current culture/locale).

Overload(next)

Compares part of this string with other string. Returns true if equal.

public static bool Eq(this string t, int startIndex, ReadOnlySpan<char> s, bool ignoreCase = false)
Parameters
t  (string)

This string.
startIndex  (int)

Offset in this string. If invalid, returns false.
s  (ReadOnlySpan<char>)

Other string.
ignoreCase  (bool)

Case-insensitive.
Returns
bool
Exceptions
ArgumentNullException

s is null.

Remarks

Uses ordinal comparison (does not depend on current culture/locale).

See Also

Overload(next)

Compares part of this string with multiple strings. Returns 1-based index of the matching string, or 0 if none.

public static int Eq(this string t, int startIndex, bool ignoreCase = false, params ReadOnlySpan<string> strings)
Parameters
t  (string)

This string.
startIndex  (int)

Offset in this string. If invalid, returns false.
ignoreCase  (bool)

Case-insensitive.
strings  (ReadOnlySpan<string>)

Other strings.
Returns
int
Exceptions
ArgumentNullException

A string in strings is null.

Remarks

Uses ordinal comparison (does not depend on current culture/locale).

Overload(next)

Compares part of this string with other string. Returns true if equal.

public static bool Eq(this string t, Range range, ReadOnlySpan<char> s, bool ignoreCase = false)
Parameters
t  (string)

This string.
range  (Range)

Range of this string. Can return true only if its length == s.Length. If invalid, returns false.
s  (ReadOnlySpan<char>)

Other string.
ignoreCase  (bool)

Case-insensitive.
Returns
bool
Exceptions
ArgumentNullException

s is null.

Remarks

Uses ordinal comparison (does not depend on current culture/locale).

See Also

Overload(next)

Returns true if the specified character is at the specified position in this string.

public static bool Eq(this string t, int index, char c)
Parameters
t  (string)

This string.
index  (int)

Offset in this string. If invalid, returns false.
c  (char)

Character.
Returns
bool

Overload(next)

Returns true if equals to string s, case-sensitive.

public static bool Eq(this ReadOnlySpan<char> t, ReadOnlySpan<char> s)
Parameters
t  (ReadOnlySpan<char>)

This span.
s  (ReadOnlySpan<char>)

Other string. Can be null.
Returns
bool

Remarks

Uses ordinal comparison (does not depend on current culture/locale).

Overload(next)

Compares part of this span with string s. Returns true if equal.

public static bool Eq(this ReadOnlySpan<char> t, int startIndex, ReadOnlySpan<char> s, bool ignoreCase = false)
Parameters
t  (ReadOnlySpan<char>)

This span.
startIndex  (int)

Offset in this span. If invalid, returns false.
s  (ReadOnlySpan<char>)

Other string.
ignoreCase  (bool)

Case-insensitive.
Returns
bool
Exceptions
ArgumentNullException

s is null.

Remarks

Uses ordinal comparison (does not depend on current culture/locale).

Overload(top)

Returns true if the specified character is at the specified position in this span.

public static bool Eq(this ReadOnlySpan<char> t, int index, char c)
Parameters
t  (ReadOnlySpan<char>)

This span.
index  (int)

Offset in this span. If invalid, returns false.
c  (char)

Character.
Returns
bool