Regular Expressions 101

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/
(\()?(\+62|62|0)(\d{2,3})?\)?[ .-]?\d{2,4}[ .-]?\d{2,4}[ .-]?\d{2,4}
/
g
1st Capturing Group
(\()?
? matches the previous token between zero and one times, as many times as possible, giving back as needed (greedy)
\( matches the character ( with index 4010 (2816 or 508) literally (case sensitive)
2nd Capturing Group
(\+62|62|0)
1st Alternative
\+62
\+ matches the character + with index 4310 (2B16 or 538) literally (case sensitive)
62
matches the characters 62 literally (case sensitive)
2nd Alternative
62
62
matches the characters 62 literally (case sensitive)
3rd Alternative
0
0 matches the character 0 with index 4810 (3016 or 608) literally (case sensitive)
3rd Capturing Group
(\d{2,3})?
? matches the previous token between zero and one times, as many times as possible, giving back as needed (greedy)
\d
matches a digit (equivalent to [0-9])
{2,3} matches the previous token between 2 and 3 times, as many times as possible, giving back as needed (greedy)
\)
matches the character ) with index 4110 (2916 or 518) literally (case sensitive)
? matches the previous token between zero and one times, as many times as possible, giving back as needed (greedy)
Match a single character present in the list below
[ .-]
? matches the previous token between zero and one times, as many times as possible, giving back as needed (greedy)
.-
matches a single character in the list .- (case sensitive)
\d
matches a digit (equivalent to [0-9])
{2,4} matches the previous token between 2 and 4 times, as many times as possible, giving back as needed (greedy)
Match a single character present in the list below
[ .-]
? matches the previous token between zero and one times, as many times as possible, giving back as needed (greedy)
.-
matches a single character in the list .- (case sensitive)
\d
matches a digit (equivalent to [0-9])
{2,4} matches the previous token between 2 and 4 times, as many times as possible, giving back as needed (greedy)
Match a single character present in the list below
[ .-]
? matches the previous token between zero and one times, as many times as possible, giving back as needed (greedy)
.-
matches a single character in the list .- (case sensitive)
\d
matches a digit (equivalent to [0-9])
{2,4} matches the previous token between 2 and 4 times, as many times as possible, giving back as needed (greedy)
Global pattern flags
g modifier: global. All matches (don't return after first match)
Your regular expression does not match the subject string.Try launching the debugger to find out why.

Regular Expression
No Match

/
/
g

Test String