Siemens SINUMERIK 840DE sl Commissioning Manual page 830

Generating user dialogs
1.10 Predefined functions
Function name
String reverse find
String trim left
112
Description
The function searches the transferred string for the last match with the
substring.
If the substring is found, the function provides the index to the first
character (starting with zero) or, failing this, -1.
Parameter:
string - string variable
find string - string to be found
startindex – start index (optional)
Syntax:
<function name="string.reversefind" return="<int
val>"> str1, find string </function>
Example:
<let name="index">0</let>
<let name="str1" type="string">A brown bear hunts a
brown dog. </let>
<function name="string.reversefind"
return="index"> str1, _T"brown" </function>
Result:
Index = 21
or
<function name="string.reversefind"
return="index"> str1, _T"brown", 10 </function>
Result:
Index = 2
The function trims the starting characters from a string.
Parameter:
str1 - string variable
Syntax:
<function name="string.trimleft" > str1 </function>
Example:
<let name="str1" type="string">
left</let>
<function name="string.trimleft" > str1 </function>
Result:
str1 = "test trim left"
Programming Manual, 12/2017, 6FC5397-1DP40-6BA1
test trim
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