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Challenges Q&A Sandbox Meta

Posts by --Hyde‭

2 posts
Score Age
50%
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Challenges The 50 substrings that validate any string of Roman numerals

JavaScript, 149 bytes t=>t.match(/CCCC|CC[DM]|CM[CDM]|DC[DM]|DD|DM|I[CDLM]|IIII|II[VX]|IVI|IX[CILVX]|L[CDLM]|LX[CL]|MMMM|V[CDLMVX]|VI[VX]|XCC[DLMX]|XD|XLX|XM|XX[CL]|XXXX/) Simple regex. Retu...

posted 7mo ago by --Hyde‭  ·  edited 7mo ago by --Hyde‭

Answer
50%
+0 −0
Challenges The 50 substrings that validate any string of Roman numerals

Google Sheets, 155 bytes =regexextract(A1,"CCCC|CC[DM]|CM[CDM]|DC[DM]|DD|DM|I[CDLM]|IIII|II[VX]|IVI|IX[CILVX]|L[CDLM]|LX[CL]|MMMM|V[CDLMVX]|VI[VX]|XCC[DLMX]|XD|XLX|XM|XX[CL]|XXXX") The same reg...

posted 7mo ago by --Hyde‭

Answer