UPTO$( )
UPTO$( source$, match$ )
Description:
Search in source$ for a match for the string in match$. Return all the characters before the matching string.
Usage:
text$ = upto$("return all this
before token but not after", "token") + "!"
print text$
Produces:
return all this before !
Notice the space between before and the ! which is also part of the string before token.
If there is no match found then all of source$ will be returned.
See also AFTER$( ), AFTERLAST$( )