Loading...

js判斷字母是否為大小寫

Temperature: 0 °C

Mark ChangMark Chang
author_tools

使用JS來判斷字串裡是否含有大寫字母或小寫字母。

//判斷是否含有大寫字母
function chkhascapitalletter(str)
{
var result = str.match(/^.*[A-Z]+.*$/);
if(result==null) return false;
return true;
}

//判斷是否含有小寫字母
function chkhaslowercaseletters(str)
{
var result = str.match(/^.*[a-z]+.*$/);
if(result==null) return false;
return true;
}

以上紀錄~
 

#故事  #判斷字母是否為大小寫  #JS  #javascript  
https://innstory.com/story-js判斷字母是否為大小寫-3001
javascript

Prev
 PHP重新排列陣列中的元素shuffle函數

Next
如何修復Undefined_Index錯誤訊息 

About the Author

Mark Chang

離不開電腦的宅男

Visitor message

Leave some footprints to prove that you visited me

Recommended reading

Author's other related stories

Android Fragment及Activity 中使用sharedpreferences

Android Fragme...

在Android下想要儲存執行資料的方式有好幾種,例如存在手機空間或者是資料庫空間。 這裡紀錄一下使...

PDO常用方法

pexelsphoto555.jpeg PDO::query() 主要用於有記錄結果返回的操作(PD...

PHP 字串字數計算並隱藏

PHP 字串字數計算並隱藏

fontphoto55 使用PHP substr函式可以做字串切割,但在遇到中文字時記得使用mbsu...

Please select an option

error

Hi, thank you for your participation, but you cannot vote repeatedly~

Join innstory now and start recording your story.

"Innstory" is a place to store stories. We are committed to becoming a warm platform. Deepening the bonds between people is our direction.
We are convinced that the blockchain between people is not just a cold calculation. Join us now.

Wrong format