User:Arseniiv/Factorization/Doc: Difference between revisions

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This template outputs prime factorization in a pleasant form, given a plain-text expression.


For multiplication use <code>*</code> or simply space. For exponentiation use <code>**</code> or <code>^</code>. You can add extra spaces around all these, just not between <code>-</code> and an exponent.
One of good choices to write a readable source text is using spaces between factors and no space around exponentiation (the first two examples below).
{| class="wikitable"
! Input
! Output
|-
| <pre>{{Factorization|2^3 5 23^-3 31}}</pre>
| {{#replace: {{#regex: {{#regex: 2^3 5 23^-3 31|/(\d+)\s*(?:(?:\*\*{{!}}\^)\s*([-−]?\d+))?(?:\s*\*)?\s*/u|\1<sup>\2</sup> ⋅&nbsp;}}|/\s⋅&nbsp;$/u|}}|-|−}}
|-
| <pre>{{Factorization| 2**3 * 5 * 7**-5 * 11**9 19**-4 }}</pre>
| {{#replace: {{#regex: {{#regex:  2**3 * 5 * 7**-5 * 11**9 * 19**-4 |/(\d+)\s*(?:(?:\*\*{{!}}\^)\s*([-−]?\d+))?(?:\s*\*)?\s*/u|\1<sup>\2</sup> ⋅&nbsp;}}|/\s⋅&nbsp;$/u|}}|-|−}}
|-
| <pre>{{Factorization|3*7^-2*11*13^-1}}</pre>
| {{#replace: {{#regex: {{#regex: 3*7^-2*11 13^-1|/(\d+)\s*(?:(?:\*\*{{!}}\^)\s*([-−]?\d+))?(?:\s*\*)?\s*/u|\1<sup>\2</sup> ⋅&nbsp;}}|/\s⋅&nbsp;$/u|}}|-|−}}
|-
| <pre>{{Factorization}}</pre>
| {{#replace: {{#regex: {{#regex: 1|/(\d+)\s*(?:(?:\*\*{{!}}\^)\s*([-−]?\d+))?(?:\s*\*)?\s*/u|\1<sup>\2</sup> ⋅&nbsp;}}|/\s⋅&nbsp;$/u|}}|-|−}}
|}

Latest revision as of 16:53, 15 April 2026