[jira] [Created] (TEXT-178) StringSubstitutor incorrectly removes escape characters

[Gary D. Gregory (Jira)]

Gary D. Gregory created TEXT-178:
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             Summary: StringSubstitutor incorrectly removes escape characters
                 Key: TEXT-178
                 URL: https://issues.apache.org/jira/browse/TEXT-178
             Project: Commons Text
          Issue Type: Bug
            Reporter: Gary D. Gregory


The class {{StringSubstitutor}} incorrectly removes escape characters.

Note that these tests pass:
{code:java}
    /**
     * Tests interpolation with weird boundary patterns.
     */
    @Test
    public void testReplaceWeirdPattens() throws IOException {
        doTestNoReplace(StringUtils.EMPTY);
        doTestNoReplace(EMPTY_EXPR);
        doTestNoReplace("${ }");
        doTestNoReplace("${\t}");
        doTestNoReplace("${\n}");
        doTestNoReplace("${\b}");
        doTestNoReplace("${");
        doTestNoReplace("$}");
        doTestNoReplace("$$}");
        doTestNoReplace("}");
        doTestNoReplace("${}$");
        doTestNoReplace("${}$$");
        doTestNoReplace("${${");
        doTestNoReplace("${${}}");
        doTestNoReplace("${$${}}");
        doTestNoReplace("${$$${}}");
        doTestNoReplace("${$$${$}}");
        doTestNoReplace("${${}}");
        doTestNoReplace("${${ }}");
    }
{code}

But these tests fail:

{code:java}
    /**
     * Tests interpolation with weird boundary patterns.
     */
    @Test
    @Disabled
    public void testReplaceWeirdPattensJira() throws IOException {
         doTestNoReplace("$${");
         doTestNoReplace("$${a");
         doTestNoReplace("$$${");
         doTestNoReplace("$$${a");
    }
{code}




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