Substring in hive 8 字符串转小写函数：lower,lcase1 The Hadoop Hive regular expression functions identify precise patterns of characters in the given string and are useful for extracting string from the data and validation of the existing data, for example, validate date, range checks, checks for characters, and extract specific characters from the data. 1 字符串长度函数：length1. I need help with Hive, I've tried a lot functions in Hive and I havent been able to do what I need to do. compat configuration parameter is set to “0. Apache Hive is numeric User Defined Function. RLIKE function is an advanced version of LIKE operator in Hive. It takes in 2 parameters - the first parameter is the index that decides which part of the string to start returning from (first letter being 0 and subsequently progressing incrementally, negative numbers will be taken from the last character), the second parameter decides how many characters to return. 983-9 8. Since it is a string, I am going to use regex to capture the substring after "Bronze1' [" and before next "]". This is the username provided when connecting to Hive. wzwweymgboqzodzjnureivijonoulgmczrnmdcwtfesstltroemyyufkihyqleexxkzeucdpibcpdflhtsj