Regular Expressions 101

^start of line

Character Class[\w,\s-]+

+matches at least one character from the set below:

\wany word character

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\sany whitespace character

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[A-Za-z]{3}

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

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

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

$end of line

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.

Search reference

Regular Expression

^[\w,\s-]+\.[A-Za-z]{3}$

New

resource.zip
resource.jpg
resource.ext
resource
resource.
resource.d
resource.long
resource.mov
resour#ce.png

// You can show origina post on albertcolom.com/blog

Regular Expression

Substitution