validator: createRegExp()

in src/RegExpI18n.ts [65:92]

• 17 lines of code
• 6 McCabe index (conditional complexity)

            validator: createRegExp(pattern)
        };
        regexpCache[pattern] = record;
    }
        
    return text.replace(record.matchRegexp, (ch) => {
        return record.validator.test(ch) ? ch : replaceValue;
    });
}

const MIN_SUPPLEMENTARY_CODE_POINT = 0x010000;

/**
 * Trims the text from all codepoints out of given range.
 * 
 * @param text 
 * @param range 
 */
export function trim(text: string, range: Range): string {
    
    let firstOutOfRange = -1;
    let lastOutOfRange = -1;

    for (let offset = 0; offset < text.length; ) {
        const codePoint = text.charCodeAt(offset);
        const outOfRange = range.out(codePoint);
        const charCount = codePoint >= MIN_SUPPLEMENTARY_CODE_POINT ? 2 : 1;
        if (firstOutOfRange === -1 && outOfRange) {