regex replace not working in HIVE
I want to replace the
; in data to
: in HIVE
tried the following but not working
hive> select REGEXP_REPLACE('Mozilla/5.0 (Macintosh; Intel',';',':');
How to achieve this in HIVE. I am getting issues while transforming this.
select replace('Mozilla/5.0 (Macintosh; Intel', ';', ':')
replace() is described in the documentation.
Solved: How to use regexp_replace in hive to remove specia , How do I do it. I tried all methods but this isn't working. Apache Hive · achandra I would like to replace the all ^ with $. How do I do As ^,$ are reserved keys for Regex so use two back slashes in regexp_replace function. Slashception with regexp_extract in Hive By Thom Hopmans 24 September 2015 Data Science, Hive. As a Data Scientist I frequently need to work with regular expressions. Though the capabilities and power of regular expressions are enormous, I just cannot seem to like them a lot.
You need to escape the semicolon. Please see below
hive> select REGEXP_REPLACE("Mozilla/5.0 (Macintosh\; Intel","\;",":"); OK Mozilla/5.0 (Macintosh: Intel Time taken: 0.082 seconds, Fetched: 1 row(s)
Apache Hive Replace Function and Examples, As mentioned earlier, Apache Hive does not provide support for replace function. However, it does provides support for regular expression Extract Numbers using Hive REGEXP_REPLACE. The Hive REGEXP_REPLACE function is one of the easiest functions get required values. The idea here is to replace all the alphabetical characters except numbers or numeric values. For example, consider below Hive example to replace all characters except date value.
U may try this
REGEXP_REPLACE('Mozilla/5.0 (Macintosh; Intel','\;',':');
REGEXP_REPLACE('Mozilla/5.0 (Macintosh; Intel','\\;',':');
Hadoop Hive Regular Expression Functions and Examples , Hive regular expression functions, Syntax, Examples, hive Tutorials, on translate function in my other article – Apache Hive Replace Function Hive Replace Function. As mentioned earlier, Apache Hive does not provide support for replace function. However, it does provides support for regular expression functions and translate function. You can use any of these function as an alternative to the replace function.
String replace functions in Apache Hive with examples -, I have a string in hive and I want to replace few characters with different character. How can I do it? Re: NOT IN operator does not work as expected in hive (1) Try running the query once with MapReduce as the execution engine and then with Tez as the execution engine and see if you get differing results. (2) Change the query to use a temporary table and evaluate your results that way (double-check
How to replace characters in string in hive?, REGEXP_REPLACE extends the functionality of the REPLACE function by letting you search a string for a regular expression pattern. The function returns VARCHAR2 if the first argument is not a LOB and returns CLOB if the first argument is 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.
REGEXP_REPLACE, Hive is not designed for online transaction processing. Databases: Namespaces function to avoid naming conflicts for tables, views, returns the string resulting from replacing all substrings in B that match the Java regular expression Returns the exact p th percentile of a column in the group (does not work with floating point types). p must be between 0 and 1. NOTE: A true percentile can only be computed for integer values. Use PERCENTILE_APPROX if your input is non-integral.