Class StringExtensions

A set of extensions methods over strings, useable in LINQ queries.

Inheritance

Object

StringExtensions

Namespace: Realms

Assembly: Realm.dll

Syntax

public static class StringExtensions

Methods

Contains(String, String, StringComparison)

Returns a value indicating whether a specified substring occurs within this string.

Declaration

public static bool Contains(this string str, string value, StringComparison comparisonType)

Parameters

Type	Name	Description
String	str	The original string.
String	value	The string to seek.
StringComparison	comparisonType	One of the enumeration values that determines how this string and value are compared.

Returns

Type	Description
Boolean	true if the value parameter occurs within this string, or if value is the empty string (""); otherwise, false.

Exceptions

Type	Condition
ArgumentNullException	Thrown when str or value is null.
ArgumentException	Thrown when comparisonType is not a valid StringComparison value.

Like(String, String, Boolean)

Performs a 'like' comparison between the specified string and pattern.

Declaration

public static bool Like(this string str, string pattern, bool caseSensitive = true)

Parameters

Type	Name	Description
String	str	The string to compare against the pattern.
String	pattern	The pattern to compare against.
Boolean	caseSensitive	If set to true performs a case sensitive comparison.

Returns

Type	Description
Boolean	true if the string matches the pattern, false otherwise.

Remarks

? and are allowed where ? matches a single character and matches zero or more characters, such that ?bc* matches abcde and bbc, but does not match bcd.

This extension method can be used in LINQ queries against the IQueryable returned from All(String). If used outside of a query context, it will use a Regex to perform the comparison using the same rules.