Revision history for Math-ScientificNotation-Util 0.003 2016-06-17 (PERLANCAR) - [Bugfix] Missed another regex mistake which allowed 1.e2 and 1.0e2 didn't allow 1e2. 0.002 2016-06-17 (PERLANCAR) - [Bugfix] Fix regex to recognize decimal number. - Check undef argument, print argument in error message. 0.001 2016-06-17 (PERLANCAR) - First release.