You can join and compare character data using the character operators +, -, and $. The following table lists the character expression operators in order of precedence.
Character Operators
| Operator | Action | Code |
|
Concatenation. Joins two strings, a string and a field, or a string and a variable. | |
- |
Concatenation. Removes trailing blanks from the element preceding the operator then joins two elements. |
|
|
Comparison. Seeks one character expression within another. | |