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Sam Brannen
2026-04-07 18:17:00 +02:00
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framework-docs/modules/ROOT/pages/core/expressions/language-ref.adoc
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= Language Reference
:page-section-summary-toc: 1
This section describes how the Spring Expression Language works.
Spring Expression Language (SpEL) expressions are composed of a sequence of tokens such
as literals, operators, method invocations, and so forth.
Whitespace can be used freely between tokens to format and improve the readability of
expressions. Specifically, the `\s` (space), `\t` (tab), `\r` (carriage return), and `\n`
(newline) characters are all valid separators between tokens. However, whitespace is
ignored by the expression parser unless it is part of a string literal.
The following sections describe the features and syntax of SpEL.
framework-docs/modules/ROOT/pages/core/expressions/language-ref/literal.adoc
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= Literal Expressions
SpEL supports the following types of literal expressions.
The `\s`, `\t`, `\r` and `\n` characters are all valid separators between tokens.
String ::
Strings can be delimited by single quotation marks (`'`) or double quotation marks