KeepChar() returns a string consisting of the first string, 'text', less any of the characters NOT contained in the second string, "keep_chars".
Syntax:
KeepChar(text, keep_chars)
Return data type: string
Arguments:
| Argument | Description |
|---|---|
| text | The original string. |
| keep_chars | A string containing the characters in text to be kept. |
Examples and results:
| Example | Result |
|---|---|
| KeepChar ( 'a1b2c3','123' ) | Returns '123'. |
| KeepChar ( 'a1b2c3','1234' ) | Returns '123'. |
| KeepChar ( 'a1b22c3','1234' ) | Returns '1223'. |
| KeepChar ( 'a1b2c3','312' ) | Returns '123' |
