- name: exact-string
  description: string feature matches only the exact value
  rules:
    - name: exact-string-match
      scopes:
        static: function
      features:
        - string: hello world
  features: |
    func: 0x500000
     func: 0x500000: string(hello world)
  expect:
    matches:
      exact-string-match:
        - 0x500000

- name: substring
  description: substring feature matches when the value appears within a string
  rules:
    - name: substring-match
      scopes:
        static: function
      features:
        - substring: abc
  features: |
    func: 0x500000
     func: 0x500000: string(zabczz)
  expect:
    matches:
      substring-match:
        - 0x500000

- name: regex-unanchored
  description: regex feature matches when the pattern appears anywhere in a string
  rules:
    - name: regex-match
      scopes:
        static: function
      features:
        - string: /bbbb/
  features: |
    func: 0x500000
     func: 0x500000: string(abbbba)
  expect:
    matches:
      regex-match:
        - 0x500000

- name: regex-case-insensitive
  description: regex /i flag enables case-insensitive matching
  rules:
    - name: regex-ignorecase-match
      scopes:
        static: function
      features:
        - string: /BBBB/i
  features: |
    func: 0x500000
     func: 0x500000: string(abbbba)
  expect:
    matches:
      regex-ignorecase-match:
        - 0x500000

- name: regex-anchored-no-match
  description: anchored regex does not match when the string does not start with the pattern
  rules:
    - name: regex-anchor-no-match
      scopes:
        static: function
      features:
        - string: /^bbbb/
  features: |
    func: 0x500000
     func: 0x500000: string(abbbba)
  expect:
    matches: {}

- name: substring-no-match
  description: substring does not match when the value is not contained in any string
  rules:
    - name: substring-no-match
      scopes:
        static: function
      features:
        - substring: abc
  features: |
    func: 0x500000
     func: 0x500000: string(aaaa)
  expect:
    matches: {}

- name: substring-exact
  description: substring matches when the string is exactly the substring value
  rules:
    - name: substring-exact
      scopes:
        static: function
      features:
        - substring: abc
  features: |
    func: 0x500000
     func: 0x500000: string(abc)
  expect:
    matches:
      substring-exact:
        - 0x500000

- name: substring-prefix
  description: substring matches when it appears at the start of a string
  rules:
    - name: substring-prefix
      scopes:
        static: function
      features:
        - substring: abc
  features: |
    func: 0x500000
     func: 0x500000: string(abc222)
  expect:
    matches:
      substring-prefix:
        - 0x500000

- name: substring-suffix
  description: substring matches when it appears at the end of a string
  rules:
    - name: substring-suffix
      scopes:
        static: function
      features:
        - substring: abc
  features: |
    func: 0x500000
     func: 0x500000: string(111abc)
  expect:
    matches:
      substring-suffix:
        - 0x500000

- name: regex-no-match-wrong-type
  description: regex does not match when only non-string features are present
  rules:
    - name: regex-wrong-type
      scopes:
        static: function
      features:
        - string: /.*bbbb.*/
  features: |
    func: 0x500000
     bb: 0x500000: basic block
      insn: 0x500000: number(100)
  expect:
    matches: {}

- name: regex-no-match-wrong-value
  description: regex does not match when the string does not contain the pattern
  rules:
    - name: regex-wrong-value
      scopes:
        static: function
      features:
        - string: /.*bbbb.*/
  features: |
    func: 0x500000
     func: 0x500000: string(aaaa)
  expect:
    matches: {}

- name: regex-no-match-case-sensitive
  description: regex without /i flag does not match different-case strings
  rules:
    - name: regex-case-sensitive
      scopes:
        static: function
      features:
        - string: /.*bbbb.*/
  features: |
    func: 0x500000
     func: 0x500000: string(aBBBBa)
  expect:
    matches: {}

- name: regex-explicit-wildcards
  description: regex with explicit .* wildcards matches the same as implied wildcards
  rules:
    - name: regex-explicit
      scopes:
        static: function
      features:
        - string: /.*bbbb.*/
    - name: regex-implied
      scopes:
        static: function
      features:
        - string: /bbbb/
  features: |
    func: 0x500000
     func: 0x500000: string(abbbba)
  expect:
    matches:
      regex-explicit:
        - 0x500000
      regex-implied:
        - 0x500000

- name: regex-complex-backslash
  description: regex with escaped backslashes and spaces matches correctly
  rules:
    - name: regex-backslash
      scopes:
        static: function
      features:
        - or:
            - string: /.*HARDWARE\\Key\\key with spaces\\.*/i
  features: |
    func: 0x500000
     func: 0x500000: string(Hardware\Key\key with spaces\some value)
  expect:
    matches:
      regex-backslash:
        - 0x500000

- name: regex-numeric-string
  description: regex matches numeric string values correctly
  rules:
    - name: regex-numeric
      scopes:
        static: function
      features:
        - or:
            - string: /123/
            - string: /0x123/
  features: |
    func: 0x500000
     func: 0x500000: string(123)
  expect:
    matches:
      regex-numeric:
        - 0x500000

- name: regex-hex-numeric-string
  description: regex matches hex-prefixed numeric string values
  rules:
    - name: regex-hex-numeric
      scopes:
        static: function
      features:
        - or:
            - string: /123/
            - string: /0x123/
  features: |
    func: 0x500000
     func: 0x500000: string(0x123)
  expect:
    matches:
      regex-hex-numeric:
        - 0x500000

- name: regex-ignorecase-explicit-wildcards
  description: regex /i flag with explicit wildcards matches case-insensitively
  rules:
    - name: regex-ignorecase-explicit
      scopes:
        static: function
      features:
        - string: /.*bbbb.*/i
  features: |
    func: 0x500000
     func: 0x500000: string(aBBBBa)
  expect:
    matches:
      regex-ignorecase-explicit:
        - 0x500000