Regular Expressions 101

\s*any whitespace character, repeated any number of times

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

\s*any whitespace character, repeated any number of times

\na line-feed (newline) character (ASCII 10)

Group 1(\s*)

\s*any whitespace character, repeated any number of times

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

\s*\+\s*\n(\s*)

Test String
New

    public void plugins_group_id_not_textual() throws IOException {
        pluginsFailure("{" +
                "   \"plugins\": {" + "hola" + 
                "       \"onePlugin\": {" +
                "           \"groupId\": 2" +
                "       }" +
                "   }" +
                "}");

Regular Expression

Test StringNew

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Test String
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