CssUtils { public boolean isNumericValue(final String value) { return value.matches("^-?\\d\\d*\\.\\d*$") || value.matches("^-?\\d\\d*$") || value.matches("^-?\\.\\d\\d*$"); } private  CssUtils(); static CssUtils getInstance(); Map<String, String> parseBoxValues(final java.lang.String box,
                                             final java.lang.String pre, final java.lang.String post); Map<String, String> parseBoxValues(final String box,
                                              final String pre, final String post, String preKey); Map<String, String> parseBorder(final String border); Map<String, String> parseBorder(final String border, final String borderKey); String stripDoubleSpacesAndTrim(final String str); String stripDoubleSpacesTrimAndToLowerCase(final String str); Map<String, String> processBackground(final String background); Map<String, String> processListStyle(final String listStyle); Map<String, String> processFont(final String font); float checkMetricStyle(final Tag t, final String style); Float checkMetricStyle(final Map<String,String> css, final String style); boolean isMetricValue(final String value); boolean isRelativeValue(final String value); boolean isNumericValue(final String value); float parseValueToPt(final String value, final float baseValue); float parseRelativeValue(final String relativeValue, final float baseValue); float parsePxInCmMmPcToPt(final String length, final String defaultMetric); float parsePxInCmMmPcToPt(final String length); int determinePositionBetweenValueAndUnit(final String string); float getLeftAndRightMargin(final Tag t, final float pageWidth); String extractUrl(final String url); float validateTextHeight(final Map<String, String> css,
			float textHeight); float calculateMarginTop(final String value, final float largestFont, final MarginMemory configuration); float calculateMarginTop(final float value, final MarginMemory configuration); String trimAndRemoveQuoutes(String s); String[] splitComplexCssStyle(String s); static final int DEFAULT_FONT_SIZE_PT; }
@Test public void validateNumericValue() { Assert.assertEquals(true, css.isNumericValue("1")); Assert.assertEquals(true, css.isNumericValue("12")); Assert.assertEquals(true, css.isNumericValue("1.2")); Assert.assertEquals(true, css.isNumericValue(".12")); Assert.assertEquals(false, css.isNumericValue("12f")); Assert.assertEquals(false, css.isNumericValue("f1.2")); Assert.assertEquals(false, css.isNumericValue(".12f")); }