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jQuery Replace regex

/ Published in: jQuery
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regular expression that removes or replaces input text

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Copy this code and paste it in your HTML 
  1. //remove spaces from file name
  2. $('input#file_name').val($('input#file_name').val().replace(/ /g,'_'));
  3.  
  4. //replace special chars
  5. $('input#file_name').val($('input#file_name').val().replace(/[^a-zA-Z 0-9]+/g,''));
  6.  
  7. //replace just letters
  8. $('input#file_name').val($('input#file_name').val().replace(/[^0-9]+/g,''));
  9.  
  10. //replace just numbers
  11. $('input#file_name').val($('input#file_name').val().replace(/[^a-zA-Z]+/g,''));
  12.  
  13. //replace single and double quotes
  14. $('input#file_name').val($('input#file_name').val().replace(/(\'|\")/g,''));

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