String Expression: Difference between revisions
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The "string-expr" parameter represents one of several kinds of string elements, including string system functions, string [[user-defined function]]s, string constants, and string variables. A string in Business Rules always ends with a dollar sign, for example: STRING$ | The "string-expr" parameter represents one of several kinds of string elements, including string system functions, string [[user-defined function]]s, string constants, and string variables. A string in Business Rules always ends with a dollar sign, for example: STRING$ | ||
String expressions may utilize [[Substring | String expressions may utilize [[Substring]] operators (to specify that only a portion of the string be used) and the [[concatenation]] operator (to specify that multiple string expressions be combined together). | ||
See also string constants and [[string]] variables, [[functions]] for string system functions, and the [[DEF]] statement discussion for more information about user-defined functions. | See also string constants and [[string]] variables, [[functions]] for string system functions, and the [[DEF]] statement discussion for more information about user-defined functions. | ||
Revision as of 15:31, 29 April 2014
The "string-expr" parameter represents one of several kinds of string elements, including string system functions, string user-defined functions, string constants, and string variables. A string in Business Rules always ends with a dollar sign, for example: STRING$
String expressions may utilize Substring operators (to specify that only a portion of the string be used) and the concatenation operator (to specify that multiple string expressions be combined together).
See also string constants and string variables, functions for string system functions, and the DEF statement discussion for more information about user-defined functions.