Method ContainsOnly

ContainsOnly(String, Char[])

Returns true if value contains only characters that exist in characters.

Declaration

public static bool ContainsOnly(this string value, params char[] characters)

Parameters

Type	Name	Description
System.String	value
System.Char[]	characters

Returns

Type	Description
System.Boolean	True if value contains only characters that exist in characters otherwise false.

Remarks

Returns false if value is empty string.

Exceptions

Type	Condition
System.ArgumentNullException	Thrown if characters or value is null.

ContainsOnly(String, IEnumerable<Char>)

Returns true if value contains only characters that exist in characters.

Declaration

public static bool ContainsOnly(this string value, IEnumerable<char> characters)

Parameters

Type	Name	Description
System.String	value
System.Collections.Generic.IEnumerable<System.Char>	characters

Returns

Type	Description
System.Boolean	True if value contains only characters that exist in characters otherwise false.

Remarks

Returns false if value is empty string.

Exceptions

Type	Condition
System.ArgumentNullException	Thrown if characters or value is null.