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Henry Spencer (born 1955) is a Canadian computer programmer and space enthusiast. He wrote "regex", a widely used software library for regular expressions , and co-wrote C News , a Usenet server program.
The regular-expression engine is derived from regex written by Henry Spencer. The Perl regular-expression syntax was originally taken from Unix Version 8 regular expressions. However, it diverged before the first release of Perl and has since grown to include far more features.
regex - Henry Spencer's regular expression libraries ArgList: C BSD RE2: RE2: C++ BSD Go, Google Sheets, Gmail, G Suite Henry Spencer's Advanced Regular Expressions Tcl: C BSD RGX RGX : C++ based component library P6R RXP Titan IC: RTL Proprietary: hardware-accelerated search acceleration using RegEx available for ASIC, FPGA and cloud.
#!/usr/bin/perl – called the "shebang line", after the hash symbol (#) and ! (bang) at the beginning of the line. It is also known as the interpreter directive. # – the number sign, also called the hash symbol. In Perl, the # indicates the start of a comment. It instructs perl to ignore the rest of the line and not execute it as script code.
In 1997, Hazel replaced Exim's POSIX regular expression library written by Henry Spencer with a new library he developed called PCRE (Perl Compatible Regular Expressions). Perl regular expressions are much more powerful than POSIX and other common regular expressions, and PCRE has become popular in applications other than Exim.
Randal L. Schwartz – Just another Perl hacker; Adi Shamir – cocreated RSA algorithm (being the S in that name) Mike Shaver – founding member of Mozilla Organization; Cliff Shaw – Information Processing Language (IPL), the first AI language; Zed Shaw – wrote the Mongrel Web Server, for Ruby web applications
Henry Spencer Ashbee (21 April 1834 – 29 July 1900) was a book collector, writer and bibliographer. He is notable for his massive, clandestine three-volume bibliography of erotic literature published under the pseudonym of Pisanus Fraxi .
Henry Spencer, 1st Earl of Sunderland, 3rd Baron Spencer of Wormleighton (c. 23 November 1620 – 20 September 1643), known as The Lord Spencer between 1636 and June 1643, was an English peer, nobleman, and politician from the Spencer family who fought and died in the English Civil War on the side of the Cavaliers.