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)

Group 1(jpg|jpeg|png|gif|pdf)

1st Alternativejpg

jpgthe literal text jpg (case sensitive)

2nd Alternativejpeg

jpegthe literal text jpeg (case sensitive)

3rd Alternativepng

pngthe literal text png (case sensitive)

4th Alternativegif

gifthe literal text gif (case sensitive)

5th Alternativepdf

pdfthe literal text pdf (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-]+\.(jpg|jpeg|png|gif|pdf)$

New

resource.png
resource.zip
resource.pdf
resource.
resource.jpg
resource.jpeg
.pdf
r$esource.pdf

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