Regular Expressions 101

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Regular Expressions 101

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1

Polynomials regex

Decompose polynomials of type +/- NUMBERx ^ NUMBER

Submitted by anonymous - 7 years ago

1

Positive lookahead

finds the first bar (Find "bar" which has "bar" after it)

Submitted by anonymous - 7 years ago

1

positive lookahead and positive lookbehind

Look ahead Positive(?=) Find expression A where expression B follows A(?=B) ...

Submitted by anonymous - 7 years ago

1

POSITIVE LOOK AHEAD AND POSITIVE LOOK BEHIND

Look ahead Positive(?=) Find expression A where expression B follows A(?=B) ...

Submitted by anonymous - 7 years ago

1

Positive Look ahead and Look Behind

Look ahead Positive(?=) Find expression A where expression B follows A(?=B) ...

Submitted by Rajesh - 7 years ago

1

Atomic group

Atomic Groups are non-capturing and once a match is made will exit the atomic group and throw away all backtracks. Use Atomic Groups for optimising performance. A non-atomic expression \b(foobar|foot|foo)\b and a test string of foots will: match foo of foobar => fail and backtrack to the 2nd alter...

Submitted by anonymous - 7 years ago

1

hastags shortcuts

This regexp is used in the SPIP cms for create tags fastly when you are writting a post.

Submitted by pierre.laszczak@gmail.com - 7 years ago

1

ConnectionStringServerDatabase

Extract the server and database name from SQL Server connection string

Submitted by Davos - 7 years ago

1

Lines file First and Last Node

no description available

Submitted by anonymous - 7 years ago

1

Java

no description available

Submitted by anonymous - 7 years ago

1

pohe no nubmer valdiation

no description available

Submitted by anonymous - 7 years ago

1

CR with no LF or PG at the end

Match lines with CR (Carriege Return) with no LF (Line Feed - New Line) or PG (Page Break) next to it.

Submitted by Hans Mauricio Burbano E - 7 years ago

1

Find label

Find label in MIPS assembly

Submitted by Dlavoieb - 7 years ago

1

Non Capturing Group

It won't capture in the group.we can't back refrence A(?:nt|pple)\sA\1

Submitted by anonymous - 7 years ago

1

Empty ini section title

Submitted by CWFF - 7 years ago

1

asd

no description available

Submitted by anonymous - 7 years ago

1

DD Addresses

no description available

Submitted by anonymous - 7 years ago

1

Panel Mark

no description available

Submitted by Hoss - 7 years ago

1

kalem pattern 2

no description available

Submitted by anonymous - 7 years ago

1

bitcoin 1.00000000 minimum

no description available

Submitted by anonymous - 7 years ago

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