diff --git a/framework-docs/modules/ROOT/pages/core/expressions/language-ref/operators.adoc b/framework-docs/modules/ROOT/pages/core/expressions/language-ref/operators.adoc index c026c4005d..3325171668 100644 --- a/framework-docs/modules/ROOT/pages/core/expressions/language-ref/operators.adoc +++ b/framework-docs/modules/ROOT/pages/core/expressions/language-ref/operators.adoc @@ -16,7 +16,7 @@ The Spring Expression Language supports the following kinds of operators: The relational operators (equal, not equal, less than, less than or equal, greater than, and greater than or equal) are supported by using standard operator notation. These operators work on `Number` types as well as types implementing `Comparable`. -The following listing shows a few examples of operators: +The following listing shows a few examples of relational operators: [tabs] ====== @@ -67,7 +67,7 @@ in favor of comparisons against zero (for example, `X > 0` or `X < 0`). ==== In addition to the standard relational operators, SpEL supports the `instanceof` and regular -expression-based `matches` operator. The following listing shows examples of both: +expression-based `matches` operators. The following listing shows examples of both: [tabs] ====== @@ -108,11 +108,11 @@ Kotlin:: CAUTION: Be careful with primitive types, as they are immediately boxed up to their wrapper types. For example, `1 instanceof T(int)` evaluates to `false`, while -`1 instanceof T(Integer)` evaluates to `true`, as expected. +`1 instanceof T(Integer)` evaluates to `true`. -Each symbolic operator can also be specified as a purely alphabetic equivalent. This -avoids problems where the symbols used have special meaning for the document type in -which the expression is embedded (such as in an XML document). The textual equivalents are: +Each symbolic operator can also be specified as a purely textual equivalent. This avoids +problems where the symbols used have special meaning for the document type in which the +expression is embedded (such as in an XML document). The textual equivalents are: * `lt` (`<`) * `gt` (`>`) @@ -120,9 +120,7 @@ which the expression is embedded (such as in an XML document). The textual equiv * `ge` (`>=`) * `eq` (`==`) * `ne` (`!=`) -* `div` (`/`) -* `mod` (`%`) -* `not` (`!`). +* `not` (`!`) All of the textual operators are case-insensitive. @@ -136,6 +134,8 @@ SpEL supports the following logical operators: * `or` (`||`) * `not` (`!`) +All of the textual operators are case-insensitive. + The following example shows how to use the logical operators: [tabs] @@ -283,6 +283,16 @@ You can use the following operators on numbers, and standard operator precedence * modulus (`%`) * exponential power (`^`) +The division and modulus operators can also be specified as a purely textual equivalent. +This avoids problems where the symbols used have special meaning for the document type in +which the expression is embedded (such as in an XML document). The textual equivalents +are: + +* `div` (`/`) +* `mod` (`%`) + +All of the textual operators are case-insensitive. + [NOTE] ==== The increment and decrement operators can be used with either prefix (`{pp}A`, `--A`) or