What is %some property% expression in spring

Question

I found %% expression on spring batch source. Is this SpEL? How do I use %% expression?

protected String getQuery(String base) {
    return StringUtils.replace(base, "%PREFIX%", tablePrefix);
}

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Answer 1

This is not spel. It's used to replace the string with some target value. For example,

String base = "How are me?";
String target = "me";
String replacement = "you";
String result = StringUtils.replace(base, target, replacement);