whitespace: This value is expected to be between 0-100, and represents the probability that a whitespace character will be used instead of a visible character, when the expression allows it (e.g. when the expression contains a "." metacharacter). Higher means more whitespace. ...
" matches the character " with index 3410 (2216 or 428) literally (case sensitive) \w matches any word character (equivalent to [a-zA-Z0-9_]) + matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy) "= matches the charac...
Regular Expression 2 matches (123 steps, 17.38ms) / ^https:\/\/(?:www\.)?youtube\.com\b / mg Test String https://www.youtube.com/watch?v=AAAAAAAAAAA↵ https://www.youtube.comm/watch?v=AAAAAAAAAA↵ https://youtube.com/watch?v=AAAAAAAAAAA↵ https://youtube.comm/watch?