Method RemoveAllExcept

RemoveAllExcept(String, Char[])

Removes all characters that are not (latin) alphabet characters (A-Z, a-z) or numerics (0-9).

Declaration

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

Parameters

Type	Name	Description
System.String	value	The string to remove characters from.
System.Char[]	characters	An enumerable of System.Char instances representing allowed characters (that will not be removed).

Returns

Type	Description
System.String	Either the original string if no changes were made, or else value with all non-latin alphabet and numeric characters removed.

Remarks

Returns the original value if it is null, empty string, or does not contain any non-latin alphabet or numeric characters.

Exceptions

Type	Condition
System.ArgumentNullException	Thrown if characters is null.

RemoveAllExcept(String, IEnumerable<Char>)

Removes all characters that are not (latin) alphabet characters (A-Z, a-z) or numerics (0-9).

Declaration

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

Parameters

Type	Name	Description
System.String	value	The string to remove characters from.
System.Collections.Generic.IEnumerable<System.Char>	characters	An enumerable of System.Char instances representing allowed characters (that will not be removed).

Returns

Type	Description
System.String	Either the original string if no changes were made, or else value with all non-latin alphabet and numeric characters removed.

Remarks

Returns the original value if it is null, empty string, or does not contain any non-latin alphabet or numeric characters.

Exceptions

Type	Condition
System.ArgumentNullException	Thrown if characters is null.