Regular Expressions 101

^start of line

Non-Capturing Group(?:\/(.*)\/([a-z]*)|.*)

1st Alternative\/(.*)\/([a-z]*)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 1(.*)

.*any character (except for line terminators), repeated any number of times

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 2([a-z]*)

Character Class[a-z]*

*matches any number of characters from the set below:

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

2nd Alternative.*

.*any character (except for line terminators), repeated any number of times

$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

^(?:\/(.*)\/([a-z]*)|.*)$

New

/^[0-9]+$/
/^(true|false)$/i
/^\\d{4}-\\d{2}-\\d{2}$/
/^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}$/i
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