Get tokenized document number

RegEx case2

Find all JIRA H2 from an Inline MD. In MD all # are considered H1 in JIRA Syntax In MD all ## are considered H2 in JIRA Syntax In MD all ### are considered H3 in JIRA Syntax In MD all #### are considered H4 in JIRA Syntax...

Mobile No Starts from number 20 or 0 digits and end with 12 digits number

Search text for any URL, including numerical IPs and greater than 3 char domain extensions. Also searches for http(s) alone, include with a third slash, as I ran into scumbag Russian spammers who were doing this.

HTTP ETag header match (RFC7232) HTTP ETag RFC specification: https://tools.ietf.org/html/rfc7232#section-2.3