Code that you insert on this page could contain malicious content capable of compromising your account. If you import a script from another page with "importScript", "mw.loader.load", "iusc", or "lusc", take note that this causes you to dynamically load a remote script, which could be changed by others. Editors are responsible for all edits and actions they perform, including by scripts. User scripts are not centrally supported and may malfunction or become inoperable due to software changes.
A guide to help you find broken scripts is available. If you are unsure whether code you are adding to this page is safe, you can ask at the
appropriate village pump. This code will be executed when previewing this page.
Note: After saving, you have to bypass your browser's cache to see the changes. Google Chrome, Firefox, Microsoft Edge and Safari: Hold down the ⇧ Shift key and click the Reload toolbar button. For details and instructions about other browsers, see
Wikipedia:Bypass your cache.
/* <pre><nowiki> */functionmathfixer(){vartxt=document.editform.wpTextbox1;// Convert minus sign HTML entities into actual minus signs (overlaps with dashfixer.js)txt.value=txt.value.replace(/(−|−|−)/g,'−');// Convert times sign HTML entities into actual times signstxt.value=txt.value.replace(/(×|×|×)/g,'×');// Convert plusorminus sign HTML entities into actual plusorminus signstxt.value=txt.value.replace(/(±|±|±)/g,'±');// Convert hyphen next to a number into a minus sign charactertxt.value=txt.value.replace(/([^a-zA-Z0-9\,\_\{])-(\d)/g,'$1−$2');// Changes 2x3 to 2×3txt.value=txt.value.replace(/(\d\s?)x(\s?\d)/g,'$1×$2');// Changes 10^3 to 10<sup>3</sup>// txt.value = txt.value.replace(/(\d+)\^(\d+)/g, '$1<sup>$2</sup>');// Changes x^3 to x<sup>3</sup>txt.value=txt.value.replace(/([0-9a-zA-Z])\^(\d+)/g,'$1<sup>$2</sup>');// Changes <sup> tags inside <math> tags back into carets// (don't know of a way to exclude them from the above statement)txt.value=txt.value.replace(/<math>(.*)<sup>(\d+)<\/sup>(.*)<\/math>/g,'<math>$1^$2$3</math>');// Changes 2 +/- 3 to 2±3txt.value=txt.value.replace(/(\s|\d)\+\/?(-|−|-)(\s|\d)/g,'$1±$3');// Add a tag to the summary boxvartxt=document.editform.wpSummary;varsummary="[[User:Omegatron#Regular expressions|Regex math character fixer]]";if(txt.value.indexOf(summary)==-1){if(txt.value.match(/[^\*\/\s][^\/\s]?\s*$/)){txt.value+=" | ";}txt.value+=summary;}// Press the diff button to check itdocument.editform.wpDiff.click()}addOnloadHook(function(){if(document.forms.editform){mw.util.addPortletLink('p-cactions','javascript:mathfixer()','±','ca-mathfixer','Fixes some math characters','','');}});/* </nowiki></pre> */
Code that you insert on this page could contain malicious content capable of compromising your account. If you import a script from another page with "importScript", "mw.loader.load", "iusc", or "lusc", take note that this causes you to dynamically load a remote script, which could be changed by others. Editors are responsible for all edits and actions they perform, including by scripts. User scripts are not centrally supported and may malfunction or become inoperable due to software changes.
A guide to help you find broken scripts is available. If you are unsure whether code you are adding to this page is safe, you can ask at the
appropriate village pump. This code will be executed when previewing this page.
Note: After saving, you have to bypass your browser's cache to see the changes. Google Chrome, Firefox, Microsoft Edge and Safari: Hold down the ⇧ Shift key and click the Reload toolbar button. For details and instructions about other browsers, see
Wikipedia:Bypass your cache.
/* <pre><nowiki> */functionmathfixer(){vartxt=document.editform.wpTextbox1;// Convert minus sign HTML entities into actual minus signs (overlaps with dashfixer.js)txt.value=txt.value.replace(/(−|−|−)/g,'−');// Convert times sign HTML entities into actual times signstxt.value=txt.value.replace(/(×|×|×)/g,'×');// Convert plusorminus sign HTML entities into actual plusorminus signstxt.value=txt.value.replace(/(±|±|±)/g,'±');// Convert hyphen next to a number into a minus sign charactertxt.value=txt.value.replace(/([^a-zA-Z0-9\,\_\{])-(\d)/g,'$1−$2');// Changes 2x3 to 2×3txt.value=txt.value.replace(/(\d\s?)x(\s?\d)/g,'$1×$2');// Changes 10^3 to 10<sup>3</sup>// txt.value = txt.value.replace(/(\d+)\^(\d+)/g, '$1<sup>$2</sup>');// Changes x^3 to x<sup>3</sup>txt.value=txt.value.replace(/([0-9a-zA-Z])\^(\d+)/g,'$1<sup>$2</sup>');// Changes <sup> tags inside <math> tags back into carets// (don't know of a way to exclude them from the above statement)txt.value=txt.value.replace(/<math>(.*)<sup>(\d+)<\/sup>(.*)<\/math>/g,'<math>$1^$2$3</math>');// Changes 2 +/- 3 to 2±3txt.value=txt.value.replace(/(\s|\d)\+\/?(-|−|-)(\s|\d)/g,'$1±$3');// Add a tag to the summary boxvartxt=document.editform.wpSummary;varsummary="[[User:Omegatron#Regular expressions|Regex math character fixer]]";if(txt.value.indexOf(summary)==-1){if(txt.value.match(/[^\*\/\s][^\/\s]?\s*$/)){txt.value+=" | ";}txt.value+=summary;}// Press the diff button to check itdocument.editform.wpDiff.click()}addOnloadHook(function(){if(document.forms.editform){mw.util.addPortletLink('p-cactions','javascript:mathfixer()','±','ca-mathfixer','Fixes some math characters','','');}});/* </nowiki></pre> */
