[texhax] detect characters in strings

Reinhard Kotucha reinhard.kotucha at web.de
Wed Jul 7 23:46:22 CEST 2010


On 7 July 2010 Brandon Kuczenski wrote:

 > At least my urgent problem is solved-- the numbers that happen to
 > come up in scientific notation are all very small and I'm now
 > replacing them with zero for the time being.  [...]

Somehow it all sounds like patchwork.  Doing arithmetic in TeX is
extremely painful.

Please consider LuaTeX.  Then you don't need a macro package in order
to find out whether your number contains the letter "e", LuaTeX
supports scientific notation natively.  No need to replace small
numbers with zero.

Regards,
  Reinhard

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