Basic string operators

[Rioven]

I had codes in basic, an input in string and calculate math operations. example: "10*(4^(.5)/2))-7e8" and returns result.
Can anyone give an equivalent for the following?
Instr$, Right$, Left$,Ltrim$,Rtrim$

 

[Erel]

See the string keywords: StrAt, SubString, StrIndexOf ...
This code could help you: http://www.b4x.com/forum/showthread.php?t=394

 

[Rioven]

Thank you Erel, :sign0060:
Great! from there I could add more functions!