Reference - What does this regex mean? -


what this?

this collection of common q&a. community wiki, invited participate in maintaining it.

why this?

suffering give me ze code type of questions , poor answers no explanation. reference meant provide links quality q&a.

what's scope?

this reference meant following languages: , , , , , , .

this might broad, these languages share same syntax. specific features there's tag of language behind it, example:

  • what regular expression balancing groups?

the stack overflow regular expressions faq

quantifiers

character classes

escape sequences

anchors

(also see "flavor-specific information → java → functions in matcher")

groups

lookarounds

modifiers

other:

common tasks

advanced regex-fu

flavor-specific information

(except marked *, section contains non-stack overflow links.)

general information

(links marked * non-stack overflow links.)

examples of regex can cause regex engine fail

tools: testers , explainers

(this section contains non-stack overflow links.)


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