Reynold Xin created SPARK-8256:
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Summary: string function: regexp_replace
Key: SPARK-8256
URL: https://issues.apache.org/jira/browse/SPARK-8256
Project: Spark
Issue Type: Sub-task
Reporter: Reynold Xin
regexp_replace(string INITIAL_STRING, string PATTERN, string REPLACEMENT):
string
Returns the string resulting from replacing all substrings in INITIAL_STRING
that match the java regular expression syntax defined in PATTERN with instances
of REPLACEMENT. For example, regexp_replace("foobar", "oo|ar", "") returns
'fb.' Note that some care is necessary in using predefined character classes:
using '\s' as the second argument will match the letter s; '\\s' is necessary
to match whitespace, etc.
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