trim in JS

Description

Replaces the occurrences of a pattern using a new one sent as a parameter (JavaScript Replace function Documentation).

Sample Source Pattern

Syntax

String.trim( )

Arguments

This function does not receive any parameters.

Return Type

String.

Examples

Query

CREATE OR REPLACE FUNCTION TRIM_STR(str varchar)
  RETURNS string
  LANGUAGE JAVASCRIPT
AS
$$
   return STR.trim( );
$$;

SELECT TRIM_STR('  FIRST AND LAST TWO BLANK SPACES  ')TRIM

Result

                           TRIM|      
-------------------------------+
FIRST AND LAST TWO BLANK SPACES|