Siemens SINUMERIK 840DE sl Commissioning Manual page 856

Generating user dialogs
1.10 Predefined functions
Function name
String reverse find
138
Description
The function searches the transferred string for the last match with the
substring.
If the substring is found, the function returns the index to the first char‐
acter (starting with zero) or, if not, -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
Programming Manual, 12/2017, 6FC5397-1DP40-6BA1
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