Sergey Chilingaryan sergchil
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| public static void main() { | |
| Object[] array1 = new Object[]{3}; // [3] | |
| Object[] array2 = new Object[]{1, 2, array1}; // [ 1, 2, [3] ] | |
| Object[] nestedArrays = new Object[]{array2, 4, null}; // [ [ 1, 2, [3] ] 4 ] | |
| ArrayList<Integer> flatOutput = new ArrayList<>(); | |
| try { | |
| flatten(nestedArrays, flatOutput); | |
| System.out.println("flatOutput = " + flatOutput); |
sergchil
/ EmojiRegex.java
Last active
March 17, 2022 09:01
Regex for finding all emojis in string including surrogate pairs
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| public static final String sEmojiRegex = "(?:[\\u2700-\\u27bf]|" + | |
| "(?:[\\ud83c\\udde6-\\ud83c\\uddff]){2}|" + | |
| "[\\ud800\\udc00-\\uDBFF\\uDFFF]|[\\u2600-\\u26FF])[\\ufe0e\\ufe0f]?(?:[\\u0300-\\u036f\\ufe20-\\ufe23\\u20d0-\\u20f0]|[\\ud83c\\udffb-\\ud83c\\udfff])?" + | |
| "(?:\\u200d(?:[^\\ud800-\\udfff]|" + | |
| "(?:[\\ud83c\\udde6-\\ud83c\\uddff]){2}|" + | |
| "[\\ud800\\udc00-\\uDBFF\\uDFFF]|[\\u2600-\\u26FF])[\\ufe0e\\ufe0f]?(?:[\\u0300-\\u036f\\ufe20-\\ufe23\\u20d0-\\u20f0]|[\\ud83c\\udffb-\\ud83c\\udfff])?)*|" + |
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