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  1. function stripos (palheiro, agulha)
  2. 	palheiro = string.lower(palheiro)
  3. 	agulha = string.lower(agulha)
  4.  
  5.     if palheiro ~= nil and agulha ~= nil then   
  6.         return (string.find(palheiro, agulha) -1)   
  7.     else  
  8.         return nil   
  9.     end   
  10. end  
  11.  
  12. print(stripos("I love php, I love php too!", "PHP"))
Success #stdin #stdout 0s 2832KB
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stdin 
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stdout 
7
https://ideone.com/TrOJfZ
language:
Lua (luac 5.3.3)
created:
9 years ago
visibility:
public

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