Regex Step 1 Details : Filtering Out the Noise with Regex

Match the character "<" literally
Assert that it is impossible to match the regex below starting at this position (negative lookahead)
- Match either the regular expression below (attempting the next alternative only if this one fails)
  - Match the characters "strong" literally
- Or match regular expression number 2 below (the entire group fails if this one fails to match)
  - Match the character "/" literally
  - Match the characters "strong" literally
Match the regular expression below and capture its match into backreference number 1
- Match any character that is NOT a ">"
  - Between zero and unlimited times, as many times as possible, giving back as needed (greedy)
Match the character ">" literally

Step 1