js文字列クラスツール
1938 ワード
/**
*
* @param {str}
* @param {type}
* type: 1- 2- 3- 4-
* @return {String}
*/
trim(str, type) {
type = type || 1
switch (type) {
case 1:
return str.replace(/\s+/g, "");
case 2:
return str.replace(/(^\s*)|(\s*$)/g, "");
case 3:
return str.replace(/(^\s*)/g, "");
case 4:
return str.replace(/(\s*$)/g, "");
default:
return str;
}
}
/**
* @param {str}
* @param {type}
* type: 1: 2: 3: 4: 5:
* @return {String}
*/
changeCase(str, type) {
type = type || 4
switch (type) {
case 1:
return str.replace(/\b\w+\b/g, function(word) {
return word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase();
});
case 2:
return str.replace(/\b\w+\b/g, function(word) {
return word.substring(0, 1).toLowerCase() + word.substring(1).toUpperCase();
});
case 3:
return str.split('').map(function(word) {
if (/[a-z]/.test(word)) {
return word.toUpperCase();
} else {
return word.toLowerCase()
}
}).join('')
case 4:
return str.toUpperCase();
case 5:
return str.toLowerCase();
default:
return str;
}
}
/*
*/
checkPwd(str) {
var Lv = 0;
if (str.length < 6) {
return Lv
}
if (/[0-9]/.test(str)) {
Lv++
}
if (/[a-z]/.test(str)) {
Lv++
}
if (/[A-Z]/.test(str)) {
Lv++
}
if (/[\.|-|_]/.test(str)) {
Lv++
}
return Lv;
}
/* html ( <> )*/
filterTag(str) {
str = str.replace(/&/ig, "&");
str = str.replace(//ig, ">");
str = str.replace(" ", " ");
return str;
}