Search With Seek4Info.com
Welcome to collectivesolver - Programming & Software Q&A with code examples. A website with trusted programming answers. All programs are tested and work.

Contact: aviboots(AT)netvision.net.il

Semrush - keyword research tool

Turn ChatGPT, Claude, Gemini, And CoPilot Into Your Personal Assistant, Business Coach, Content Creator, And More

AFFILIATE MARKETING Your all-in-one performance engine Manage affiliates, creators, and customer referrals in one unified platform—turning every partnership into measurable growth
Secure & Reliable Web Hosting, Free Domain, Free SSL, 1-Click WordPress Install, Expert 24/7 Support

Boost your online presence with premium web hosting and servers

Most popular tags

python java c cpp c# javascript php vb# typescript nodejs go rust scala swift kotlin pascal html ruby dart r css bootstrap win32 groovy vbnet winapi sql mysql jquery pascal-string lua winforms kotlin-string bash c-string swift-string cpp-string go-string cobol c#-string php-string java-string vbnet-string rust-string python-string cpp-vector f# opengl scala-string javascript-string pascal-array swift-array typescript-string c-array php-array javascript-array rust-vector typescript-array python-list reactjs scala-array c-windows nodejs-string go-array kotlin-array nodejs-array sdl2 cpp-matrix cpp-array c#-list vbnet-list c-matrix pascal-matrix go-slice c#-array java-array nodejs-express character-code-ascii-unicode swift-matrix c#-matrix sdl3 angularjs transpose-matrix binary-search-algorithm dot-product-two-arrays generate-random-floating-point-numbers all-permutations-combinations kotlin-matrix typescript-matrix vbnet-array kotlin-list calculate-area-pentagon measure-function-execution-time sort-words-string exabyte-constant petabyte-constant terabyte-constant math-functions-constants string-to-title-case create-infinite-loop
Disclosure: My content contains affiliate links.

41,847 questions

54,534 answers

573 users

How to check if a string is alphanumeric in PHP



184 views
asked Aug 17, 2019 by avibootz
Share on
share on gp share on fb share on tw share on li share on re share via email

1 Answer

0 votes 
$s = "php73";

if (ctype_alnum($s)) {
    echo "true<br />";
}
else {
    echo "false<br />"; 
}
      
 
  
    
/*
run:
         
true
  
*/

 



answered Aug 17, 2019 by avibootz

Related questions

1 answer 187 views
187 views
How to check if strings in array are alphanumeric in PHP
asked Aug 17, 2019 by avibootz
 | Search With Seek4Info.com
Powered by Question2Answer
...