JavaScript sql_regcase

Make regular expression for case insensitive match

function sql_regcase (str) {
    // Make regular expression for case insensitive match  
    // 
    // version: 1001.2911
    // discuss at: http://phpjs.org/functions/sql_regcase    // +   original by: Brett Zamir (http://brett-zamir.me)
    // -    depends on: setlocale
    // *     example 1: sql_regcase('Foo - bar.');
    // *     returns 1: '[Ff][Oo][Oo] - [Bb][Aa][Rr].'
    this.setlocale('LC_ALL', 0);    var i=0, upper = '', lower='', pos=0, retStr='';
 
    upper = this.php_js.locales[this.php_js.localeCategories.LC_CTYPE].LC_CTYPE.upper;
    lower = this.php_js.locales[this.php_js.localeCategories.LC_CTYPE].LC_CTYPE.lower;
     for (i=0; i < str.length; i++) {
        if (((pos = upper.indexOf(str.charAt(i))) !== -1) || ((pos = lower.indexOf(str.charAt(i))) !== -1)) {
            retStr += '['+upper.charAt(pos)+lower.charAt(pos)+']';
        }
        else {            retStr += str.charAt(i);
        }
    }
    return retStr;
}

external links: original PHP docs | raw js source

Examples

Running

1	sql_regcase('Foo - bar.');

Should return

1	'[Ff][Oo][Oo] - [Bb][Aa][Rr].'

Dependencies

In order to use this function, you also need:

setlocale

Open syntax issues

php.js uses JsLint to help us keep our code consistent and prevent some common bugs.

Eventually we want all code to pass or at least take into consideration most fixes suggested by JsLint, following this JsLint configuration we’ve decided on.

Authors

Thanks to the following developers, you get to have sql_regcase goodness in JavaScript.

Brett Zamir ( original )

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