Javascript regex match fails on actual page, but regex tests work just fine

by

You’re putting your regular expression inside a string. It should not be inside a string.

var world = document.documentElement.innerHTML.match(/boardid=[0-9]+">([A-Z][a-z]+)( - Trade){0,1}<\/a>/i)[1];

Another thing — it appears you have a document object, in which case all this HTML is already parsed for you, and you can take advantage of that instead of reinventing a fragile wheel.

var element = document.querySelector('a[href*="boardid="]');
var world = element.textContent;

(This assumes that you don’t need <=IE8 support. If you do, there remains a better way, though.)

(P.S. ? is shorthand for {0,1}.)

More Related Contents:

  1. Remove text between two parenthesis, if two more parenthesis [closed]
  2. Need Pattern for password field?
  3. Javascript Regex for decimal [duplicate]
  4. Regular expression to get a string between two strings in Javascript
  5. Regex to get string between curly braces
  6. Validate phone number with JavaScript
  7. Detect URLs in text with JavaScript
  8. Regular Expression to get a string between parentheses in Javascript
  9. split string only on first instance of specified character
  10. javascript regex split produces too many items
  11. Remove whitespace and line breaks between HTML elements using jQuery
  12. Remove HTML comments with Regex, in Javascript
  13. Create RegExps on the fly using string variables
  14. Regular expression for URL validation (in JavaScript)
  15. Javascript fuzzy search that makes sense
  16. Regex for number with decimals and thousand separator
  17. Syntax error in IE using ES6 arrow functions
  18. Javascript regular expression to validate URL
  19. Regex to extract substring, returning 2 results for some reason
  20. Extract all email addresses from bulk text using jquery
  21. Split string on the first white space occurrence
  22. Regular expression to remove a file’s extension
  23. Insert dash after every 4th character in input
  24. Insert space before capital letters
  25. regular expression for finding decimal/float numbers?
  26. How to remove square brackets in string using regex?
  27. Regular expression with the cyrillic alphabet
  28. Convert string to Pascal Case (aka UpperCamelCase) in Javascript
  29. Regex – Repeating Capturing Group
  30. How do you split a javascript string by spaces and punctuation?

Leave a Comment