[SPARK-17647][SQL][FOLLOWUP][MINOR] fix typo

## What changes were proposed in this pull request?

fix typo

## How was this patch tested?

manual

Author: Felix Cheung <felixcheung_m@hotmail.com>

Closes #17663 from felixcheung/likedoctypo.

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/regexpExpressions.scala

@@ -79,7 +79,7 @@ abstract class StringRegexExpression extends BinaryExpression
 
           _ matches any one character in the input (similar to . in posix regular expressions)
 
-          % matches zero ore more characters in the input (similar to .* in posix regular
+          % matches zero or more characters in the input (similar to .* in posix regular
           expressions)
 
         The escape character is '\'. If an escape character precedes a special symbol or another