Regular Expressions 101

Explanation

Pro

1st Alternative((?<!\.)\.{3}(?!\.)|://)

Group 1((?<!\.)\.{3}(?!\.)|://)

1st Alternative(?<!\.)\.{3}(?!\.)

Negative Lookbehind(?<!\.)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\.{3}the literal . (46₁₀ / 56₈ / 2E₁₆) , repeated exactly 3 times

Negative Lookahead(?!\.)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative://

://the literal text ://

2nd Alternative\s*([^\w\s]|_)\2+

\s*a Unicode whitespace character, repeated any number of times

Group 2([^\w\s]|_)

1st Alternative[^\w\s]

Negated Character Class[^\w\s]

\wa Unicode word character

\sa Unicode whitespace character

2nd Alternative_

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\2+the text saved by group 2, repeated at least once

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

((?<!\.)\.{3}(?!\.)|://)|\s*([^\w\s]|_)\2+

New

Great talking with you. ? See you, the other guys and Mr. Jack Daniels next  week, I hope-- ? Bobette ? ? Bobette  Riner???????????????????????????????   Senior Power Markets Analyst??????   TradersNews Energy 713/647-8690 FAX: 713/647-7552 cell:  832/428-7008 bobette.riner@ipgdirect.com http://www.tradersnewspower.com ? ?  - cinhrly020101.doc

Extraction

Great talking with you. ? See you, the other guys and Mr. Jack Daniels next  week, I hope-- ? Bobette ? ? Bobette  Riner???????????????????????????????   Senior Power Markets Analyst??????   TradersNews Energy 713/647-8690 FAX: 713/647-7552 cell:  832/428-7008 bobette.riner@ipgdirect.com http://www.tradersnewspower.com ? ?  - cinhrly020101.doc