zhangxin created SPARK-21261:
--------------------------------
Summary: SparkSQL regexpExpressions example
Key: SPARK-21261
URL: https://issues.apache.org/jira/browse/SPARK-21261
Project: Spark
Issue Type: Documentation
Components: Examples
Affects Versions: 2.1.1
Reporter: zhangxin
The follow execute result.
scala> spark.sql(""" select regexp_replace('100-200', '(\d+)', 'num') """).show
+----------------------------------+
|regexp_replace(100-200, (d+), num)|
+----------------------------------+
| 100-200|
+----------------------------------+
scala> spark.sql(""" select regexp_replace('100-200', '(\\d+)', 'num') """).show
+-----------------------------------+
|regexp_replace(100-200, (\d+), num)|
+-----------------------------------+
| num-num|
+-----------------------------------+
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