Parentheses have a special meaning in regexps so you need to escape them. You should also start the expression with ^ so it only matches at the beginning of the line.
Parentheses have a special meaning in regexps so you need to escape them. You should also start the expression with ^ so it only matches at the beginning of the line.
© 2020. All Rights Reserved - Elasticsearch
Apache, Apache Lucene, Apache Hadoop, Hadoop, HDFS and the yellow elephant logo are trademarks of the Apache Software Foundation in the United States and/or other countries.