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/*
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function isSmall(str,len){
    if (str.length<len){
        return(true);
    }else{
        return(false);
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}
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function isSame(str1,str2){
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        return(false);
    }
}
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function isNotNull(str){
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        return(false);
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        return(true);
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}
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function isPhone(str){
    reg=/^[0]?13\d{9}$/gi;
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        return false;
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*/
function notChinese(str){
var reg=/[^A-Za-z0-9_]/g
    if (reg.test(str)){
        return (false);
    }else{
        return(true);   
    }
}
/*
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