Regular Expressions 101

Pro

\sany whitespace character

Positive Lookahead(?=([^"]|"[^"]*")*$)

Group 1([^"]|"[^"]*")*

*repeats the group contents below any number of times:

1st Alternative[^"]

Negated Character Class[^"]

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative"[^"]*"

"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

$end of string, or before its final line terminator

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

\s(?=([^"]|"[^"]*")*$)

New

function void test (  )   {   
    if  ( false )   { 
        let s  =  "constant one two" ; 
        let s  =  null ; 
        let a [ 1 ]   =  a [ 2 ]  ; 
     } 
 }

Substitution

_

function void test (  )   {   
    if  ( false )   { 
        let s  =  "constant one two" ; 
        let s  =  null ; 
        let a [ 1 ]   =  a [ 2 ]  ; 
     } 
 }