Regular Expressions 101

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\s?optionally matches any whitespace character

Group 1(a90[\d]+|[$][\d]+|[A-Z]{3}|.*$)

1st Alternativea90[\d]+

a90the literal text a90 (case sensitive)

Character Class[\d]+

+matches at least one character from the set below:

\da digit

2nd Alternative[$][\d]+

Character Class[$]

$the literal $ (36₁₀ / 44₈ / 24₁₆)

Character Class[\d]+

+matches at least one character from the set below:

\da digit

3rd Alternative[A-Z]{3}

Character Class[A-Z]{3}

{3}matches exactly 3 characters from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

4th Alternative.*$

.*any character, repeated any number of times

$end of string, or before its final line terminator

Global pattern flags

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

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

:\s?(a90[\d]+|[$][\d]+|[A-Z]{3}|.*$)

New

ID: a9000006        
NSF Org     : DMI
Total Amt.  : $225024

Abstract    :This SBIR proposal is aimed at (1) the synthesis of new ferroelectric liquid crystals with ultra-high polarization,                    
             chemical stability and low viscosity

Regular Expression

Extraction