Regular Expressions 101

Positive Lookahead(?=.*\d)

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

\da digit

^start of line

Group 1(Rp|Rp )?

?repeats the group contents below at most once:

1st AlternativeRp

Rpthe literal text Rp (case sensitive)

2nd AlternativeRp

Rp the literal text Rp (case sensitive)

Group 2(([1-9]\d{0,2}((\.\d{3})*|\d+))|(0+[1-9]+(\d+|(\.\d{3})*)))

1st Alternative([1-9]\d{0,2}((\.\d{3})*|\d+))

Group 3([1-9]\d{0,2}((\.\d{3})*|\d+))

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

\d{0,2}a digit, repeated between 0 and 2 times

Group 4((\.\d{3})*|\d+)

1st Alternative(\.\d{3})*

Group 5(\.\d{3})*

*repeats the group contents below any number of times:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{3}a digit, repeated exactly 3 times

2nd Alternative\d+

\d+a digit, repeated at least once

2nd Alternative(0+[1-9]+(\d+|(\.\d{3})*))

Group 6(0+[1-9]+(\d+|(\.\d{3})*))

0+the literal 0 (48₁₀ / 60₈ / 30₁₆) , repeated at least once

Character Class[1-9]+

+matches at least one character from the set below:

1-9one character from 1 (49₁₀) to 9 (57₁₀)

Group 7(\d+|(\.\d{3})*)

1st Alternative\d+

\d+a digit, repeated at least once

2nd Alternative(\.\d{3})*

Group 8(\.\d{3})*

*repeats the group contents below any number of times:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d{3}a digit, repeated exactly 3 times

Group 9(,\d{1,2})?

?repeats the group contents below at most once:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d{1,2}a digit, repeated between 1 and 2 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

(?=.*\d)^(Rp|Rp )?(([1-9]\d{0,2}((\.\d{3})*|\d+))|(0+[1-9]+(\d+|(\.\d{3})*)))(,\d{1,2})?$

New

18.215
Rp17500
Rp17.500,00
Rp 120.325
005.000.000.100
001100
10
20000000
100000000
100000001
1000
3000 Rp
Rp 
0.999
-1,000
-10
1.1000
17,500
2 500
005.1a2
ram123.12213
ramdan890.9090909