public @NotNull StringAssert containsIgnoringCase(@NotNull String text) {
    checkNotNull(text);
    isNotNull();
    if (actual.toLowerCase().contains(text.toLowerCase())) {
      return this;
    }
    failIfCustomMessageIsSet();
    throw failure(format("<%s> does not contain <%s>", actual, text));
  }
public @NotNull StringAssert containsIgnoringCase(@NotNull String text) {
    checkNotNull(text);
    isNotNull();
    if (actual.toLowerCase().contains(text.toLowerCase())) {
      return this;
    }
    failIfCustomMessageIsSet();
    throw failure(format("<%s> does not contain <%s>", actual, text));
  }
public @ NotNull StringAssert containsIgnoringCase ( @ NotNull String text ) { checkNotNull ( text ) ; isNotNull ( ) ; if ( actual . toLowerCase ( ) . contains ( text . toLowerCase ( ) ) ) { return this ; } failIfCustomMessageIsSet ( ) ; throw failure ( format ( "<%s> does not contain <%s>" , actual , text ) ) ; }
Verifies that the actual {@code String} contains the given text regardless of the case.

@param text the given text.
@return this assertion object.
@throws AssertionError       if the actual {@code String} is {@code null}.
@throws AssertionError       if the actual {@code String} does not contain the given text.
@throws NullPointerException if the given {@code String} is {@code null}.
@since 1.3
Verifies that the actual { @code String } contains the given text regardless of the case .