Regular Expressions 101

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/
search-service_1 \| sms res id = (\d+) , distance = {{{} \[\] \[\] <nil>} 0 \[\] (.*) <nil> <nil> <nil> <nil> unknown 0 0 0 <nil> 0}
/
gm
search-service_1
matches the characters search-service_1 literally (case sensitive)
\| matches the character | with index 12410 (7C16 or 1748) literally (case sensitive)
sms res id =
matches the characters sms res id = literally (case sensitive)
1st Capturing Group
(\d+)
\d
matches a digit (equivalent to [0-9])
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
, distance = {{{}
matches the characters , distance = {{{} literally (case sensitive)
\[ matches the character [ with index 9110 (5B16 or 1338) literally (case sensitive)
\] matches the character ] with index 9310 (5D16 or 1358) literally (case sensitive)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
\[ matches the character [ with index 9110 (5B16 or 1338) literally (case sensitive)
\] matches the character ] with index 9310 (5D16 or 1358) literally (case sensitive)
<nil>} 0
matches the characters <nil>} 0 literally (case sensitive)
\[ matches the character [ with index 9110 (5B16 or 1338) literally (case sensitive)
\] matches the character ] with index 9310 (5D16 or 1358) literally (case sensitive)
matches the character with index 3210 (2016 or 408) literally (case sensitive)
2nd Capturing Group
(.*)
.
matches any character (except for line terminators)
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
<nil> <nil> <nil> <nil> unknown 0 0 0 <nil> 0}
matches the characters <nil> <nil> <nil> <nil> unknown 0 0 0 <nil> 0} literally (case sensitive)
Global pattern flags
g modifier: global. All matches (don't return after first match)
m modifier: multi line. Causes ^ and $ to match the begin/end of each line (not only begin/end of string)
Your regular expression does not match the subject string.Try launching the debugger to find out why.

Regular Expression
No Match

/
/
gm

Test String

Substitution

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