Regex regular expressions

General expressions

+ -unlimited string
\ -escape/protect character
/[abc]+/ -matches a bb ccc

PCRE Perl Compatible Regular Expressions

regex like [\r\n]+ matches CRLF in Notepad ++

Websense

It accepts reg expresions with limited form example:

• (.) -same as * wildcard matches any lengh of string and brackets are RegEx delimiters

References

• regex101.com Dynamic RegEx builder