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Diffstat (limited to 'src/main/kotlin/util/regex.kt')
| -rw-r--r-- | src/main/kotlin/util/regex.kt | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/main/kotlin/util/regex.kt b/src/main/kotlin/util/regex.kt index a44435c..be6bcfb 100644 --- a/src/main/kotlin/util/regex.kt +++ b/src/main/kotlin/util/regex.kt @@ -16,15 +16,23 @@ import kotlin.time.Duration.Companion.seconds inline fun <T> String.ifMatches(regex: Regex, block: (MatchResult) -> T): T? = regex.matchEntire(this)?.let(block) -inline fun <T> Pattern.useMatch(string: String, block: Matcher.() -> T): T? { +inline fun <T> Pattern.useMatch(string: String?, block: Matcher.() -> T): T? { contract { callsInPlace(block, InvocationKind.AT_MOST_ONCE) } - return matcher(string) - .takeIf(Matcher::matches) + return string + ?.let(this::matcher) + ?.takeIf(Matcher::matches) ?.let(block) } +fun <T> String.ifDropLast(suffix: String, block: (String) -> T): T? { + if (endsWith(suffix)) { + return block(dropLast(suffix.length)) + } + return null +} + @Language("RegExp") val TIME_PATTERN = "[0-9]+[ms]" |