On Tuesday, 26 May 2020 11:09:02 UTC+1, dr.j.r...@gmail.com  wrote:   
      
   > AFAICS, not yet tried, one should be able to compose REGLARXP.JS   
   > such that, in a batch file,   
   >   
   >       CSCRIPT //nologo REGLARXP.JS SRC "regexp" Sub DST   
   >   
   > will always serve, where SRC & DST are environment variable   
   > names, and REGLARXP.JS uses String.replace(Arg2, Arg3); the   
   > RegExp for removing all non-ASCIIdigits would /\D+/g and Sub   
   > is "".   
      
   REVISION : so far so good, but "regexp" must be replaced by two   
   parts, the main expression and the modifiers, to be joined by   
   new RegExp if using JavaScript.   
      
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