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toString()以正则表达式文字的形式返回正则表达式的字符串值。
语法:
RegExpObject.toString();
返回值:
返回正则表达式的字符串值。
例:
var str = "Javascript is an interesting scripting language"; var re = new RegExp( "script", "g" ); var result = re.toString(str); console.log("Test 1 - returned value : " + result); re = new RegExp( "/", "g" ); var result = re.toString(str); console.log("Test 2 - returned value : " + result)
输出:
Test 1 - returned value : /script/g Test 2 - returned value : /\//g
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