Package org.apache.tools.ant.util.regexp

## Interface Regexp

- All Superinterfaces:
    `RegexpMatcher`
  All Known Implementing Classes:
    `JakartaOroRegexp`, `JakartaRegexpRegexp`, `Jdk14RegexpRegexp`

      public interface Regexp
      extends RegexpMatcher

  Interface which represents a regular expression, and the operations that can be performed on it.

- - ### Field Summary

    Fields
    Modifier and Type | Field | Description
    --- | --- | ---
    `static int` | `REPLACE_ALL` | Replace all occurrences of the regular expression
    `static int` | `REPLACE_FIRST` | Replace only the first occurrence of the regular expression

    - ### Fields inherited from interface org.apache.tools.ant.util.regexp.RegexpMatcher

      `MATCH_CASE_INSENSITIVE, MATCH_DEFAULT, MATCH_MULTILINE, MATCH_SINGLELINE`

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `java.lang.String` | `substitute​(java.lang.String input, java.lang.String argument, int options)` | Perform a substitution on the regular expression.

    - ### Methods inherited from interface org.apache.tools.ant.util.regexp.RegexpMatcher

      `getGroups, getGroups, getPattern, matches, matches, setPattern`

- - ### Field Detail

    - #### REPLACE_FIRST

          static final int REPLACE_FIRST

      Replace only the first occurrence of the regular expression
      See Also:
        Constant Field Values

    - #### REPLACE_ALL

          static final int REPLACE_ALL

      Replace all occurrences of the regular expression
      See Also:
        Constant Field Values

  - ### Method Detail

    - #### substitute

          java.lang.String substitute​(java.lang.String input,
                                      java.lang.String argument,
                                      int options)
                               throws BuildException

      Perform a substitution on the regular expression.
      Parameters:
        `input` - The string to substitute on
        `argument` - The string which defines the substitution
        `options` - The list of options for the match and replace. See the MATCH_ and REPLACE_ constants above.
      Returns:
        the result of the operation
      Throws:
        `BuildException` - on error