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Tip: Check That a Code-Point Is a Unicode Surrogate Pair

Learn how to check if a code-point is a unicode surrogate pair.


If we have a code-point, we can check if it is a Unicode surrogate pair as follows:

int cp = some_code_point;
if(Character.charCount(cp) == 2) { // 2 means a surrogate pair


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Octavia Andreea Anghel is a senior PHP developer currently working as a primary trainer for programming teams that participate at national and international software-development contests. She consults on developing educational projects at a national level. She is a coauthor of the book "XML Technologies--XML in Java" (Albastra, ISBN 978-973-650-210-1), for which she wrote the XML portions. In addition to PHP and XML, she's interested in software architecture, web services, UML, and high-performance unit tests.
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