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## org.springframework.expression
Interface ExpressionParser

All Known Implementing Classes:
  SpelExpressionParser, TemplateAwareExpressionParser

    public interface ExpressionParser

Parses expression strings into compiled expressions that can be evaluated. Supports parsing templates as well as standard expression strings.

Since:
  3.0
Author:
  Keith Donald, Andy Clement

Method Summary
`Expression` | `parseExpression(String expressionString)` Parse the expression string and return an Expression object you can use for repeated evaluation.
`Expression` | `parseExpression(String expressionString, ParserContext context)` Parse the expression string and return an Expression object you can use for repeated evaluation.

Method Detail

### parseExpression

    Expression parseExpression(String expressionString)
                               throws ParseException

  Parse the expression string and return an Expression object you can use for repeated evaluation.

  Some examples:

           3 + 4
           name.firstName

  Parameters:
    `expressionString` - the raw expression string to parse
  Returns:
    an evaluator for the parsed expression
  Throws:
    `ParseException` - an exception occurred during parsing

### parseExpression

    Expression parseExpression(String expressionString,
                               ParserContext context)
                               throws ParseException

  Parse the expression string and return an Expression object you can use for repeated evaluation.

  Some examples:

           3 + 4
           name.firstName

  Parameters:
    `expressionString` - the raw expression string to parse
    `context` - a context for influencing this expression parsing routine (optional)
  Returns:
    an evaluator for the parsed expression
  Throws:
    `ParseException` - an exception occurred during parsing

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