public BooleanExpression notEqualsIgnoreCase(String str) {
        return equalsIgnoreCase(str).not();
    }
Create a {@code !this.equalsIgnoreCase(str)} expression

<p>Compares this {@code StringExpression} to another {@code StringExpression}, ignoring case
considerations.</p>

@param str string
@return !this.equalsIgnoreCase(str)
@see java.lang.String#equalsIgnoreCase(String)
querydsl-core/src/main/java/com/querydsl/core/types/dsl/StringExpression.java