Regular Expressions 101

Pro

^start of line

Group 1([^\s:]+:)

Negated Character Class[^\s:]+

+matches at least one character outside the set below:

\sa Unicode whitespace character

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Character Class[\p{Zs}\t]+

+matches at least one character from the set below:

\p{Zs}a space separator with non-zero width

\ta tab character (ASCII 9)

Positive Lookahead(?=\S)

\Sany character that is not Unicode whitespace

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

Detailed match information will be displayed here automatically.

25 tokens

^([^\s:]+:)[\p{Zs}\t]+(?=\S)

New

batman: 100
robin: OFXSGML
superman: 102
wonderwoman: NONE
joker: USASCII
harley: 1252
aquaman: NONE
flash: NONE
iris: NONE

$1

batman: 100
robin: OFXSGML
superman: 102
wonderwoman: NONE
joker: USASCII
harley: 1252
aquaman: NONE
flash: NONE
iris: NONE