Regular Expressions 101

Pro

Group 1(\S+?)

\S+?any non-whitespace character, repeated at least once

:{1,2}the literal : (58₁₀ / 72₈ / 3A₁₆) , repeated between 1 and 2 times

Global pattern flags

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

Detailed match information will be displayed here automatically.

26 tokens

Regular Expression

(\S+?):{1,2}

New

*, ::before, ::after // do not capture anything
.class1, .class2:before,.class3::after // captures .class2 and .class3
.class4::before // captures .class4

Substitution

*, ::before, ::after // do not capture anything
.class1, .class2:before,.class3::after // captures .class2 and .class3
.class4::before // captures .class4