STRTRIM - Trim Whitespace

Topic: DMD0172

Help File Version: 2.9.4.37

STRTRIM - Trim Whitespace

The Trim Whitespace (STRTRIM) instruction will remove all whitespace characters from the beginning and / or end of a String. Whitespace characters between characters in the string are not removed. Whitespace characters typically represent horizontal or vertical space, the ones the Trim Whitespace instruction will remove are Space <SP>, Horizontal Tab <TAB>, Carriage Return <CR>, Line Feed <LF>, Form Feed <FF>, Vertical Tab <VT>.

Parameters:

Note: Use the F9 key to open the Default Element Selection Tool (the Element Picker or the Element Browser) or use the Down-Arrow key (Auto-Complete) on any parameter field to see a complete list of the memory locations that are valid for that parameter of the instruction.

String - the String that contains the data to be trimmed. This can be any writable user-defined or system-defined String.

Trim - selects which end or ends of the string to trim:

Leading - from the beginning of the string, working forward to the first non-whitespace character. The first non-whitespace character will become the first character in the string after the STRTRIM completes.

Trailing - from the end of the string working backward to the first non-whitespace character. The final non-whitespace character in the string will become the final character in the string after the STRTRIM completes.

Status Display:

Before executing the STRTRIM instruction:

After executing the STRTRIM instruction:

The Status display will only show as many of the characters of the String as will fit within the borders of the instruction, typically this is about 50 characters.