Regex for matching only Arabic letters characters

regex valid for json schema with http,https,ftp,sftp protocol

Validate IP address and IP address range to. xxx.xxx.xxx.xxx and xxx.xxx.xxx.xxx/xxx

parsing distinguishedName attribute in LDAP. Requires g modifier

matches any special chars (e.g. !@#$)

Phone Number validator with country code area code

For US names

ip-adreese

Captures TagName, attributes and value in seperate groups. --- Apply same pattern on capture group #3 (using recursion) to parse entire xml! --- Apply regex defined in teststring to capture group #2 to parse all the attributes for the current tag.