Determines whether the specified string matches the given regular expression pattern.

Syntax

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boolean string.ismatch(string s, string pattern) boolean string.ismatch(string s, string pattern, enum options)

Parameters

Name	Data Type	Description
s	String	The string to test.
pattern	String	The pattern to match.
options	Enum	TheSystem.Text.RegularExpressions.RegexOptions. Enum values: None Specifies that no options are set. IgnoreCase Specifies case-insensitive matching. Multiline Multiline mode. Changes the meaning of ^ and $ so they match at the beginning and end, respectively, of any line, and not just the beginning and end of the entire string. ExplicitCapture Specifies that the only valid captures are explicitly named or numbered groups of the form. This allows unnamed parentheses to act as noncapturing groups without the syntactic clumsiness of the expression (?:…). Compiled Specifies that the regular expression is compiled to an assembly. This yields faster execution but increases startup time. Singleline Specifies single-line mode. Changes the meaning of the dot (.) so it matches every character (instead of every character except \n). IgnorePatternWhitespace Eliminates unescaped white space from the pattern and enables comments marked with #. However, the System.Text.RegularExpressions.RegexOptions.IgnorePatternWhitespace value does not affect or eliminate white space in character classes. RightToLeft Specifies that the search will be from right to left instead of from left to right. ECMAScript Enables ECMAScript-compliant behavior for the expression. This value can be used only in conjunction with the System.Text.RegularExpressions.RegexOptions.IgnoreCase, System.Text.RegularExpressions.RegexOptions.Multiline, and System.Text.RegularExpressions.RegexOptions.Compiled values. The use of this value with any other values results in an exception. CultureInvariant Specifies that cultural differences in language is ignored. for more information.

Return Value

Data Type	Description
Boolean	True if the pattern matches.

Example

SXML