Regular Expressions Foundation Class
| Category | System Utilities |
|---|---|
| Default Catalog | Visual FoxPro Catalog\Foundation Classes\Utilities |
| Class | _regexp |
| Base Class | Custom |
| Class Library | _regexp.vcx |
| Parent Class | _custom |
| Sample | ...\Samples\Solution\Ffc\Regexp.scx |
Remarks
Regular expressions are a concise and flexible notation for finding and replacing patterns of text. The Regular Expressions class gives you access to routines for using regular expressions in your applications.
For information about the sample, see Search Text Using Regular Expressions. For general details about regular expressions, you can refer to MSDN.
To use the Regular Expressions Foundation Class, drop the class on a project or form, or from the Component Gallery Item Shortcut Menu, select Add to Project or Add to Form. When you add the class to a form, Visual FoxPro places the class icon on the form. You can specify the appropriate property values and provide any necessary input and output objects. When you drop the class on a project, you can choose between adding the class or creating a subclass.
| Properties, Events, Methods | Description |
|---|---|
| Matches array | Specifies the array containing the results of the string test.
Default: .F. |
| Pattern property | Contains the pattern (regular expression).
Default: * |
| Clear method | Clears all values.
Syntax: Clear( ) Return: none Arguments: |
| Execute method | Tests the pattern against the string.
Syntax: Execute(tcStr, tlCaseMatters) Return: number of matches Arguments: tcStr specifies string to search. tlCaseMatters specifies whether to ignore case. |
See Also
Guidelines for Using Visual FoxPro Foundation Classes | Visual FoxPro Foundation Classes A-Z | Foundation Class Samples