Regular Expressions 101

^start of string

Group 1(((\D+\s)|(\d+\s))+)?

?repeats the group contents below at most once:

Group 2((\D+\s)|(\d+\s))+

+repeats the group contents below at least once:

1st Alternative(\D+\s)

Group 3(\D+\s)

\D+any character that's not a digit, repeated at least once

\sany whitespace character

2nd Alternative(\d+\s)

Group 4(\d+\s)

\d+a digit, repeated at least once

\sany whitespace character

Group 5(([4-8])|([4-8](\.|\,)([0-9])+))

1st Alternative([4-8])

Group 6([4-8])

Character Class[4-8]

4-8one character from 4 (52₁₀) to 8 (56₁₀)

2nd Alternative([4-8](\.|\,)([0-9])+)

Group 7([4-8](\.|\,)([0-9])+)

Character Class[4-8]

4-8one character from 4 (52₁₀) to 8 (56₁₀)

Group 8(\.|\,)

1st Alternative\.

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative\,

\,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 9([0-9])+

+repeats the group contents below at least once:

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Group 10((\s?pol)|"|''|\x60|'|´|”)

1st Alternative(\s?pol)

Group 11(\s?pol)

\s?optionally matches any whitespace character

polthe literal text pol (case insensitive)

2nd Alternative"

"the literal " (34₁₀ / 42₈ / 22₁₆)

3rd Alternative''

''the literal text ''

4th Alternative\x60

\x60the literal ` (60₁₆ / 140₈ / 96₁₀)

5th Alternative'

'the literal ' (39₁₀ / 47₈ / 27₁₆)

6th Alternative´

7th Alternative”

Non-Capturing Group(?:.*)

$end of string

Global pattern flags

s modifier: single line. Allows a dot to match line terminators

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^(((\D+\s)|(\d+\s))+)?(([4-8])|([4-8](\.|\,)([0-9])+))((\s?pol)|"|''|\x60|'|´|”)(?:.*)$

Test String
New

rom de as asd asd asd 444444 34234      6,5234234234polimeros (~ 64,3% relação tela-corpo)

(?:(?:(?:\D+\s)|(?:\d+\s))+)

Regular Expression

Test StringNew

Test String
New