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User:Omegatron/monobook.js/mathcharacterfixer.js

/* 

 */


function mathfixer() {


var txt = 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 signs


txt.value = txt.value.replace(/(×|×|×)/g, '×');


// Convert plusorminus sign HTML entities into actual plusorminus signs


txt.value = txt.value.replace(/(±|±|±)/g, '±');


// Convert hyphen next to a number into a minus sign character


txt.value = txt.value.replace(/([^a-zA-Z0-9\,\_\{])-(\d)/g, '$1−$2');


// Changes 2x3 to 2×3


txt.value = txt.value.replace(/(\d\s?)x(\s?\d)/g, '$1×$2');


// Changes 10^3 to 103


//    txt.value = txt.value.replace(/(\d+)\^(\d+)/g, '$1$2');


// Changes x^3 to x3


txt.value = txt.value.replace(/([0-9a-zA-Z])\^(\d+)/g, '$1$2');


// Changes  tags inside  tags back into carets


// (don't know of a way to exclude them from the above statement)


txt.value = txt.value.replace(/(.*)(\d+)<\/sup>(.*)<\/math>/g, '$1^$2$3');


// Changes 2 +/- 3 to 2±3


txt.value = txt.value.replace(/(\s|\d)\+\/?(-|−|-)(\s|\d)/g, '$1±$3');


// Add a tag to the summary box


var txt = document.editform.wpSummary;


var summary = "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 it


document.editform.wpDiff.click()


}


addOnloadHook(function () {


if(document.forms.editform) {


mw.util.addPortletLink('p-cactions', 'javascript:mathfixer()', '±', 'ca-mathfixer', 'Fixes some math characters', , );


}


});


/*
*/