Class JavaRegex

java.lang.Object
com.mckoi.database.regexbridge.JavaRegex
All Implemented Interfaces:
RegexLibrary

public class JavaRegex extends Object implements RegexLibrary
A bridge to the internal Java regular expression library that was introduced in Java 1.4. This bridge will only work if the regular expression API is available in the class library. It is not available in 1.3 and 1.2.
Author:
Tobias Downer
  • Constructor Details

    • JavaRegex

      public JavaRegex()
  • Method Details

    • regexMatch

      public boolean regexMatch(String regular_expression, String expression_ops, String value)
      Description copied from interface: RegexLibrary
      Matches a regular expression against a string value. If the value is a match against the expression then it returns true.
      Specified by:
      regexMatch in interface RegexLibrary
      Parameters:
      regular_expression - the expression to match (eg. "[0-9]+").
      expression_ops - expression operator string that specifies various flags. For example, "im" is like '/[expression]/im' in Perl.
      value - the string to test.
    • regexSearch

      public IntegerVector regexSearch(Table table, int column, String regular_expression, String expression_ops)
      Description copied from interface: RegexLibrary
      Performs a regular expression search on the given column of the table. Returns an IntegerVector that contains the list of rows in the table that matched the expression. Returns an empty list if the expression matched no rows in the column.
      Specified by:
      regexSearch in interface RegexLibrary
      Parameters:
      table - the table to search for matching values.
      column - the column of the table to search for matching values.
      regular_expression - the expression to match (eg. "[0-9]+").
      expression_ops - expression operator string that specifies various flags. For example, "im" is like '/[expression]/im' in Perl.