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102 lines
3.2 KiB
JavaScript
102 lines
3.2 KiB
JavaScript
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/**
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* File Name: String/match-001.js
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* ECMA Section: 15.6.4.9
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* Description: Based on ECMA 2 Draft 7 February 1999
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*
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* Author: christine@netscape.com
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* Date: 19 February 1999
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*/
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/*
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* String.match( regexp )
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*
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* If regexp is not an object of type RegExp, it is replaced with result
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* of the expression new RegExp(regexp). Let string denote the result of
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* converting the this value to a string. If regexp.global is false,
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* return the result obtained by invoking RegExp.prototype.exec (see
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* section 15.7.5.3) on regexp with string as parameter.
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*
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* Otherwise, set the regexp.lastIndex property to 0 and invoke
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* RegExp.prototype.exec repeatedly until there is no match. If there is a
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* match with an empty string (in other words, if the value of
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* regexp.lastIndex is left unchanged) increment regexp.lastIndex by 1.
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* The value returned is an array with the properties 0 through n-1
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* corresponding to the first element of the result of each matching
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* invocation of RegExp.prototype.exec.
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*
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* Note that the match function is intentionally generic; it does not
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* require that its this value be a string object. Therefore, it can be
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* transferred to other kinds of objects for use as a method.
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*/
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var SECTION = "String/match-001.js";
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var VERSION = "ECMA_2";
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var TITLE = "String.prototype.match( regexp )";
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startTest();
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// the regexp argument is not a RegExp object
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// this is not a string object
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// cases in which the regexp global property is false
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AddRegExpCases( 3, "3", "1234567890", 1, 2, ["3"] );
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// cases in which the regexp object global property is true
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AddGlobalRegExpCases( /34/g, "/34/g", "343443444", 3, ["34", "34", "34"] );
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AddGlobalRegExpCases( /\d{1}/g, "/d{1}/g", "123456abcde7890", 10,
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["1", "2", "3", "4", "5", "6", "7", "8", "9", "0"] );
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AddGlobalRegExpCases( /\d{2}/g, "/d{2}/g", "123456abcde7890", 5,
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["12", "34", "56", "78", "90"] );
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AddGlobalRegExpCases( /\D{2}/g, "/d{2}/g", "123456abcde7890", 2,
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["ab", "cd"] );
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test();
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function AddRegExpCases(
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regexp, str_regexp, string, length, index, matches_array ) {
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AddTestCase(
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"( " + string + " ).match(" + str_regexp +").length",
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length,
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string.match(regexp).length );
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AddTestCase(
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"( " + string + " ).match(" + str_regexp +").index",
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index,
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string.match(regexp).index );
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AddTestCase(
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"( " + string + " ).match(" + str_regexp +").input",
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string,
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string.match(regexp).input );
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for ( var matches = 0; matches < matches_array.length; matches++ ) {
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AddTestCase(
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"( " + string + " ).match(" + str_regexp +")[" + matches +"]",
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matches_array[matches],
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string.match(regexp)[matches] );
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}
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}
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function AddGlobalRegExpCases(
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regexp, str_regexp, string, length, matches_array ) {
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AddTestCase(
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"( " + string + " ).match(" + str_regexp +").length",
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length,
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string.match(regexp).length );
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for ( var matches = 0; matches < matches_array.length; matches++ ) {
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AddTestCase(
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"( " + string + " ).match(" + str_regexp +")[" + matches +"]",
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matches_array[matches],
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string.match(regexp)[matches] );
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}
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}
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