You can convert strings to paths and paths to strings, but PDA and Touch Panel VIs do not support the following functions:
The Format Into String and Scan From String functions do not support the %x format specifier. The Scan From String function does not support wildcard matches.
The Scan String For Tokens function does not support caching of delimiter or operator data.
The Search and Replace String function does not support regular expression mode in PDA or Touch Panel VIs. Right-clicking the function and selecting Regular Expression has no effect on the function. The following Search and Replace String inputs are not supported in PDA or Touch Panel VIs because they apply to regular expression mode: