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Diffstat (limited to 'lib/strutils.nim')
| -rw-r--r-- | lib/strutils.nim | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/strutils.nim b/lib/strutils.nim index e3a412053..075e6b252 100644 --- a/lib/strutils.nim +++ b/lib/strutils.nim @@ -865,6 +865,15 @@ proc validEmailAddress*(s: string): bool = "aero", "jobs", "museum": return true return false +proc validIdentifier*(s: string): bool = + ## returns true if `s` is a valid identifier. A valid identifier starts + ## with a character of the set `IdentStartChars` and is followed by any + ## number of characters of the set `IdentChars`. + if s[0] in IdentStartChars: + for i in 1..s.len-1: + if s[i] notin IdentChars: return false + return true + proc editDistance*(a, b: string): int = ## returns the edit distance between `a` and `b`. This uses the Levenshtein ## distance algorithm with only a linear memory overhead. This implementation |