Regex.php

<?php
/**
 * Regex.php
 *
 * Simple mapping class for frequently used regular expressions.
 *
 * @author James Morgan <james.morgan@bskyb.com>
 */

final class Regex
{
    const TOKEN       = '/^ewtX\/.+$/';
    const MONEY       = '/^[0-9]{1,6}\.[0-9]{2}$/';
    const STAKE       = '/^[0-9]{1,6}\.[0-9]{1,2}$/';
    const BET_PRICE   = '/^[0-9]*\.[0-9]*$/';
    const DATE        = '/^[0-9]{4}-[0-9]{2}-[0-9]{2}$/';
    const DATETIME    = '/^[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}$/';
    const USERNAME    = '/^[A-Z0-9]{6,12}$/';
    const ALPHABETIC  = '/^[A-Za-z]*$/';
    const NUMERIC     = '/^[0-9]+$/';
    const CHANNELS    = '/^I|Z|W|P$/';
    const TITLE       = '/^Mr|Mrs|Miss|Ms|Dr|Cllr$/';
    const IP_ADDRESS  = '/^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$/';
    const ODDS_FORMAT = '/^ODDS|DECIMAL|AMERICAN|FRACTION$/';
    const BET_RECEIPT = '/^[A-Z]\/[0-9]{8}\/[0-9]{7}$/';
    const CURRENCY    = '/^GBP|EUR$/';
    const CARD_EXPIRY = '/^(0[1-9]|1[0-2])\/[0-9]{2}$/';
    const STATUS_FLAG = '/^[A-Z_]*$/';
    const EMAIL       = '/^[A-Za-z0-9_-]*@[A-Za-z0-9]*\.(com|net|gov|org|edu|biz|info)$/';
    const ANYTHING    = '/^.+$/';
    const GENDER      = '/^M|F$/';
    const YES_OR_NO   = '/^Y|N$/';
    const POSTCODE    = '/^((((ASCN)|(BBND)|(BIQQ)|(FIQQ)|(PCRN)|(SIQQ)|(STHL)|(TDCU)|(TKCA))[\s]1ZZ)|(GX11[\s]1AA)|(AI-2640)|(PO[\s]BOX[\s][0-9]*)|(GIR 0AA)|(((A[BL]|B[ABDHLNRSTX]?|C[ABFHMORTVW]|D[ADEGHLNTY]|E[HNX]?|F[KY]|G[LUY]?|H[ADGPRSUX]|I[GMPV]|JE|K[ATWY]|L[ADELNSU]?|M[EKL]?|N[EGNPRW]?|O[LX]|P[AEHLOR]|R[GHM]|S[AEGKLMNOPRSTY]?|T[ADFNQRSW]|UB|W[ADFNRSV]|YO|ZE)[1-9]?[0-9]|((E|N|NW|SE|SW|W)1|EC[1-4]|WC[12])[A-HJKMNPR-Y]|(SW|W)([2-9]|[1-9][0-9])|EC[1-9][0-9]) [0-9][ABD-HJLNP-UW-Z]{2}))$/';
    const BLANK       = '/^$/';

    const ALPHABETIC_AND_BLANKS = '/^[A-Za-z ]*$/';
    const ALPHABETIC_OR_EMPTY   = '/^[A-Za-z]*|$/';
    const NUMERIC_OR_EMPTY      = '/^[0-9]*|$/';
    const ANYTHING_OR_EMPTY     = '/^.+|$/';
    const UPPERCASE_ALPHABETIC  = '/^[A-Z]*$/';
    const PASSPORT_REGEX        = '/^[A-Z0-9<]{9}[0-9][A-Z][A-Z<]{2}[0-9]{2}[01][0-9][0-3][0-9]{2}[MF<][0-9]{2}[01][0-9][0-3][0-9]{2}[A-Z0-9<]{14}[0-9<][0-9]$/i';

    /**
     * Escape a string.
     *
     * @param  string $str
     * @return string
     */
    public static function escape($str)
    {
        return '/^' . preg_quote($str, '/') . '$/';
    }
}